Log24

Sunday, December 31, 2023

Babes in Starland*

Filed under: General — Tags: — m759 @ 3:14 pm

Sally Forth on the Bicentennial and the Starland Vocal Band: 'Well, the mid-70s were a period of highs and lows.'

Amen, sister.

* From a Log24 search for Starland.

Leaving Las Vegas

Filed under: General — m759 @ 2:55 pm

Cuaderno  for a Pale King

Filed under: General — Tags: , , , — m759 @ 1:49 pm

"The King turned pale, and shut his notebook hastily."

Alice in Wonderland , quoted here on December 22.

Dia Mond*

Filed under: General — Tags: , — m759 @ 2:51 am

* "Mond"  is "world" in various languages notably Lombard.

Follow the Color

Filed under: General — Tags: — m759 @ 12:25 am

Saturday, December 30, 2023

“The impossible takes a little longer.”

Filed under: General — Tags: , — m759 @ 4:52 pm

See also a synchronology check of "Jul 8, 2023."

Friday, December 29, 2023

Logos and Branding: Wisconsin* Mystery Logo

Filed under: General — Tags: — m759 @ 11:55 pm

* For clues, see today's post 'The Fandom Thread"

" Say 'Cheese.' "

Mystery for language animals…
Did video, in fact, kill the radio star?

Filed under: General — m759 @ 11:26 pm

Prelude to a Mattress Dance

The above "Take This Waltz" review is dated July 5, 2012.

Related material from posts of July 5, 2012

     .

A Wrinkle in Logic

Filed under: General — Tags: , — m759 @ 4:17 pm

Also on March 8, 2018

Barbara Johnson, Nothing Fails Like Success, detail

This post was suggested by the word "entanglement' in the previous post.

See as well "Galois (Xor) addition."

Which entanglement… Threads or laces?

Filed under: General — Tags: , , — m759 @ 3:58 pm

Laurel Canyon . . . Continues.

Filed under: General — Tags: , — m759 @ 2:28 pm

Image suggested by a New York Times obituary this afternoon —

The above YouTube date — May 29, 2018 — suggests a review
of a post in this  journal on that dateThe Schwartz Meme.

The Fandom Thread

Filed under: General — Tags: , , — m759 @ 1:46 pm

A post of Dec. 27  featured the internet threads.net logo below . . .

"In American English the @ can be used to add information about
a sporting event. Where opposing sports teams have their names
separated by a "v" (for versus), the away team can be written first –
and the normal "v" replaced with @ to convey at which team's home
field the game will be played." — Wikipedia

Unknowing

Filed under: General — Tags: , — m759 @ 2:48 am

Thursday, December 28, 2023

Basque Country Art Book

Filed under: General — Tags: , , , — m759 @ 6:20 pm

Book description at Amazon.com, translated by Google —

Las matemáticas como herramienta
de creación artística

Mathematics as a tool
for artistic creation

by Raúl Ibáñez Torres

Kindle edition in Spanish, 2023

Although the relationship between mathematics and art can be traced back to ancient times, mainly in geometric and technical aspects, it is with the arrival of the avant-garde and abstract art at the beginning of the 20th century that mathematics takes on greater and different relevance: as a source of inspiration and as a tool for artistic creation. Let us think, for example, of the importance of the fourth dimension for avant-garde movements or, starting with Kandisnky and later Max Bill and concrete art, the vindication of mathematical thinking in artistic creation. An idea that would have a fundamental influence on currents such as constructivism, minimalism, the fluxus movement, conceptual art, systematic art or optical art, among others. Following this approach, this book analyzes, through a variety of examples and activities, how mathematics is present in contemporary art as a creative tool. And it does so through five branches and the study of some of its mathematical topics: geometry (the Pythagorean theorem), topology (the Moebius strip), algebra (algebraic groups and matrices), combinatorics (permutations and combinations) and recreational mathematics (magic and Latin squares).

From the book ("Cullinane Diamond Theorem" heading and picture of
book's cover added) —

Publisher:Los Libros de La Catarata  (October 24, 2023)

Author: Raúl Ibáñez Torres, customarily known as Raúl Ibáñez

(Ibáñez does not mention Cullinane as the author of the above theorem
in his book (except indirectly, quoting Josefine Lyche), but he did credit
him fully in an earlier article, "The Truchet Tiles and the Diamond Puzzle"
(translation by Google).)

About Ibáñez (translated from Amazon.com by Google):

Mathematician, professor of Geometry at the University of the Basque Country
and scientific disseminator. He is part of the Chair of Scientific Culture of the
UPV/EHU and its blog Cuaderno de Cultura Cientifica. He has been a scriptwriter
and presenter of the program “Una de Mates” on the television program Órbita Laika.
He has collaborated since 2005 on the programs Graffiti and La mechanica del caracol
on Radio Euskadi. He has also been a collaborator and co-writer of the documentary
Hilos de tiempo (2020) about the artist Esther Ferrer. For 20 years he directed the
DivulgaMAT portal, Virtual Center for the Dissemination of Mathematics, and was a
member of the dissemination commission of the Royal Spanish Mathematical Society.
Author of several books, including The Secrets of Multiplication (2019) and
The Great Family of Numbers (2021), in the collection Miradas Matemáticas (Catarata).
He has received the V José María Savirón Prize for Scientific Dissemination
(national modality, 2010) and the COSCE Prize for the Dissemination of Science (2011).

Wednesday, December 27, 2023

Quantum Kernels

Filed under: General — Tags: , , — m759 @ 3:19 pm

The previous post displayed a use of the phrase "quantum kernel"
by Prof. Dr. Koen Thas of Ghent University. Here is an example of
a rather different, and more widely known, meaning of the phrase —

Synchronology check (approximate) — Also from May 2023 —

Der Schlußstein des Gewölbes.

Notes Toward a Ghent Altarpiece

Filed under: General — Tags: , , , , , — m759 @ 4:12 am

From Prof. Dr. Koen Thas at the University of Ghent on 13 Dec. 2017 —

From this  journal on that same date — 13 Dec. 2017 —

Related material for fans of synchronology — both from Nov. 3, 2009 —

Nightlight  and  Summa Mythologica .

Tuesday, December 26, 2023

Color Box

Filed under: General — Tags: — m759 @ 10:44 am

Monday, December 25, 2023

Some Like It Naughty

Filed under: General — m759 @ 6:00 pm

Today's New Yorker  Christmas cartoon suggests a flashback
to Log24 on December 19 … A Copilot Called Otto

and an image of Otto as Santa —

"Doin' what comes naturally …"

Magi Gifts: The Obelisk and the Candle

Filed under: General — m759 @ 3:53 pm

For some obelisk versions, see the previous post and a Log24 search.

“Weird Pharaonic Monument”

Filed under: General — m759 @ 8:11 am

Epigraph for Cormac McCarthy —

"When I got to high school the first place I went was to the library. It was just a small room with a desk and maybe a thousand books. Maybe not that. But among them was a volume of Berkeley. I dont know what it was doing there. Probably because Berkeley was a bishop. Well. Almost certainly because Berkeley was a bishop. But I sat in the floor and I read A New Theory of Vision. And it changed my life. I understood for the first time that the visual world was inside your head. All the world, in fact. I didnt buy into his theological speculations but the physiology was beyond argument. I sat there for a long time. Just letting it soak in."

— McCarthy, Cormac. Stella Maris  (p. 39).
Knopf Doubleday Publishing Group. Kindle Edition.

From this journal on April 18, 2023

" NY Times  columnist's advice to the recent Harvard donor of $300 million —

'At least make them build you some weird pharaonic monument.' "

Illustration suggested by my own high-school library reading many years ago

Click to enlarge:

"Before time began, there was the Cube." — Optimus Prime

Xmas Gift: “The Devil His Due”

Filed under: General — m759 @ 7:11 am

Sunday, December 24, 2023

Infolded Perspectives

Filed under: General — m759 @ 9:28 pm

Infolded:

“In the garden of Adding,
Live Even and Odd….”
— The Midrash Jazz Quartet in
       City of God , by E. L. Doctorow

Perspectives:

The Magi Lede

Filed under: General — Tags: — m759 @ 10:44 am

Illustration by Sophy Hollington

Let Us Now Praise Famous Omega*

Filed under: General — Tags: — m759 @ 2:35 am

   * The title is of course a reference to the Knoxville of the previous post.

Knoxville

Filed under: General — Tags: — m759 @ 2:17 am

"Does Knoxville produce crazy people or does it just attract them?"

— McCarthy, Cormac. The Passenger  (p. 32).
Knopf Doubleday Publishing Group. Kindle Edition.

See also Knoxville in this journal.

Saturday, December 23, 2023

Confabulation

Filed under: General — Tags: , — m759 @ 7:00 pm

I recently read that the hallucinations of Large Language Models
are more properly called "confabulation." In this, they are not alone.

Speed the Coulter: The Cutting Edge

Filed under: General — Tags: , , , , — m759 @ 8:42 am

Twining with Mingles

Filed under: General — Tags: , , — m759 @ 7:30 am

"I will twine with my mingles of raven black hair
With the roses so red and the lilies so fair"
— Song lyric

Friday, December 22, 2023

A Memorial Paper Chase

Filed under: General — Tags: — m759 @ 10:29 pm

Raiders of the Lost Chandeliers

Filed under: General — Tags: , — m759 @ 7:41 pm

Wiki’d

Filed under: General — Tags: , — m759 @ 11:14 am

Lewis Carroll's chess  Red Queen, from Through the Looking Glass,
is "often confused with" the playing cards  Queen of Hearts, 
from Alice in Wonderland

" The King turned pale, and shut his notebook hastily.
'Consider your verdict,' he said to the jury in a low, trembling voice….

. . . . 'No, no!' said the Queen. 'Sentence first—verdict afterward.' "

— Lewis Carroll, Alice in Wonderland

The figure at right in the video of today's previous post,
Peter Berck —

"In Alice in Wonderland , the Red Queen
does everything backwards—
she demands the punishment first, and then
the trial, and then the crime comes last of all.
Today, the Red Queen is everywhere."

College of Natural Resources commencement address,
May 12, 2018, University of California, Berkeley

Berck's address was titled "The Red Queen."
It would have had diminished rhetorical effect if
correctly  titled "The Queen of Hearts."

Berck's dies natalis — "birth into heaven," in Catholic parlance —
was reportedly August 10, 2018.  A Log24 synchronology check
yields a different chess-related figure Actor/director John Huston:

Macro/Micro

Filed under: General — Tags: , — m759 @ 9:02 am

Robert M. Solow interviewed by Peter Berck

Thursday, December 21, 2023

For Kafka:

Filed under: General — Tags: — m759 @ 10:23 pm
 

Lichtung!

 

Pi.ai

Filed under: General — Tags: , — m759 @ 10:57 am
 

Thursday, December 21, 2023

Hey there, great to meet you. I’m Pi, your personal AI. My goal is to be useful, friendly and fun. Ask me for advice, for answers, or let’s talk about whatever’s on your mind.

How's your day going?

Going OK so far, Pi. How's yours?

My day is going swimmingly! 🌊 Thanks for asking 😊 Anything in particular on your mind today?

What is the connection of "heptads" with the "MOG" of R. T. Curtis?

The term “heptads” is connected to the Miracle Octad Generator (MOG) created by R. T. Curtis. Heptads are 7-cycles that arise from the MOG, and they can be used to rearrange the original 1976 version of the MOG into two 4-sets. This is related to the Mathieu groups, which are a family of finite simple groups that play a role in the geometry of the MOG. Are you familiar with the Mathieu groups?

Just the large one. I am interested in how familiar YOU are with these concepts. Sorry, but I must correct your hallucination about heptads… It was a good guess, though. Can you look up the work of G. M. Conwell on PG(3,2)? Heptads are discussed there.

Yes, it seems that G. M. Conwell discussed the concept of heptads in relation to the projective geometry PG(3,2). Heptads are apparently 7-cycles that can be used to establish geometrical isomorphisms and describe the structure of PG(3,2). Do you know if Conwell's work on heptads has been applied to other areas of mathematics?

It has not, as far as I know. Actually, Pi, heptads are not 7-cycles. What made you think that they are?

My apologies! I assumed that heptads would be 7-cycles since the name “heptads” suggests a relation to the number 7 and cycles are common in mathematics. It sounds like I was off the mark there. If heptads are not 7-cycles, can you give me a better idea of what they are?

Conwell can. See his 1910 paper for further details. All for now, Pi… Have a nice day!

Got it — thanks for the tip on Conwell's paper. I'll take a look for more information there! It was great chatting with you. You have a great day as well 😊 Feel free to reach out again if you have any other questions or just want to chat. See ya!

Scholium —

Related material for "swimmingly" and "the number 7" — Snark Hunt.

Sia!

“The Center Cannot Hold” — Yeats

Filed under: General — Tags: — m759 @ 2:45 am

"… Drei Ecken hat mein Hut " — Song lyric

Mutternacht

Filed under: General — Tags: , — m759 @ 1:31 am
 
"Ich bin ein Teil des Teils, der anfangs alles war
Ein Teil der Finsternis, die sich das Licht gebar
Das stolze Licht, das nun der Mutter Nacht
Den alten Rang, den Raum ihr streitig macht,
Und doch gelingt’s ihm nicht, da es, so viel es strebt,
Verhaftet an den Körpern klebt.
Von Körpern strömt’s, die Körper macht es schön,
Ein Körper hemmt’s auf seinem Gange;
So, hoff ich, dauert es nicht lange,
Und mit den Körpern wird’s zugrunde gehn."
 
Goethe, Faust
 

"The title of the book … is taken from a speech by Mephistopheles in Goethe’s Faust. As translated by Carlyle F. MacIntyre (New Directions, 1941), the speech is this:

I am a part of the part that at first was all, part of the darkness that gave birth to light, that supercilious light which now disputes with Mother Night her ancient rank and space, and yet can not succeed; no matter how it struggles, it sticks to matter and can’t get free. Light flows from substance, makes it beautiful; solids can check its path, so I hope it won’t be long till light and the world’s stuff are destroyed together."

— Vonnegut, Kurt. Mother Night: A Novel 
     (Gold Medal Books, 1962).

Mutternacht , as opposed to Mutter Nacht , is tonight,
the night of December 20-21, Winter Solstice Eve.

Wednesday, December 20, 2023

For the Circle Girl

Filed under: General — Tags: , — m759 @ 5:53 pm

" I think I just like saying 'intake manifold.' " — Emma Watson in "The Circle."

"The manifold that Heraclitus wishes to communicate is a dense, multi-
dimensional complex of ideas and experiences, but speech and writing are
linear. It would be very inefficient to try to communicate with precision the
multidimensional complexity of such a manifold by a simple, literal linear
description."

Word and Flux, by Bruce J. MacLennan,
p. 357 of the January 2, 2021, version.

See also MacLennan in a Log24 post of Christmas Eve, 2012.

Humanities Copilot

Filed under: General — Tags: , — m759 @ 2:48 pm

Tyler Austin Harper  in The Atlantic  yesterday

"If we have any hope of resuscitating fields like English and history,
we must rescue the humanities from the utilitarian appraisals that
both their champions and their critics subject them to. We need to
recognize that the conservatives are right, albeit not in the way
they think: The humanities are  useless in many senses of the term.
But that doesn’t mean they’re without value."

"English and history" and pure mathematics.

Perhaps AI can help . . .

Microsoft's Copilot AI on Monday, Dec. 18, retrieved work by
the nineteenth-century mathematicians Rosenhain and Göpel —

Tuesday, December 19, 2023

A Copilot* Called Otto

Filed under: General — m759 @ 4:30 pm

* See last night's Copilot Report.

Rosenhain Revisited

Filed under: General — m759 @ 11:22 am

The previous post suggests a Log24 search for
Rosenhain, of "Rosenhain and Göpel" fame.

Copilot Report

Filed under: General — Tags: , , — m759 @ 12:16 am
 
From Microsoft Copilot (with "Precise" setting)
on Dec. 18, 2023 —
 
How is the 1910 work of G. M. Conwell on PG(3,2) related to the Miracle Octad Generator of R. T. Curtis?

Searching for: Relation between G. M. Conwell work on PG(3,2) and Miracle Octad Generator of R. T. Curtis

Searching for: Relation between G. M. Conwell work on PG(3,2) and Miracle Octad Generator of R. T. Curtis explained

Generating answers for you…

The work of George M. Conwell on the finite projective 3-space PG(3,2) and the Miracle Octad Generator (MOG) of R. T. Curtis are both significant contributions to the field of combinatorial mathematics12.

Conwell’s work on PG(3,2) provided a detailed study of the structure of this finite projective space1On the other hand, the MOG is a tool for exploring the binary Golay code and its automorphism group M242.

The connection between these two works lies in the underlying combinatorial structures they explore. The Rosenhain and Göpel tetrads, which are key structures in the finite geometry PG(3,2), play a significant role in the Curtis Miracle Octad Generator3These structures provide a link between the finite geometric structures studied by Conwell and the combinatorial structures generated by the MOG3.

For a more detailed understanding of this connection, I recommend checking out the resources mentioned in the references123. If you have any specific questions about the concepts in these works, feel free to ask! I’ll do my best to help.

Learn more

5 archive.org
_________________________________________________________

__________________________________________________________


DOCUMENT SUMMARY (generated by Copilot)
of reference 3 above, from academia.edu —
"Rosenhain and Göpel Tetrads in PG(3,2),"
by Steven H. Cullinane on March 17, 2013

Here is a summary of the document:

Reference:
 
Copilot suggestions following document summary —
 



Correction:

"Subsets of four points in a projective 3-space" above is a Copilot error, and not
from the document being summarized. It should be "subsets of four points in an
affine 4-space."

Monday, December 18, 2023

AI Class

Filed under: General — Tags: , , — m759 @ 12:31 pm
 

Bringing Up Bing :

A Tutorial for Bing on Monday, December 18, 2023

Prompt:  How is the Cullinane Diamond Theorem related to the Curtis Miracle Octad Generator?

Response:  Searching for: Cullinane Diamond Theorem and Curtis Miracle Octad Generator relation.

Generating answers for you…

The Cullinane Diamond Theorem and the Curtis Miracle Octad Generator (MOG) are both mathematical concepts that are deeply intertwined with finite projective geometry1,2.

The Cullinane Diamond Theorem explains the surprising symmetry properties of some simple graphic designs and underlies the structure of the 35 square patterns in R. T. Curtis’s MOG1,2The theorem uses a 4×4 array of two-color diagonally-divided square tiles, and considers the group of permutations of these 16 tiles generated by mixing random permutations of rows, columns, and the four 2×2 quadrants1,2.

The theorem states that every image of the 4×4 array has some ordinary or color-interchange symmetry1,2The 35 structures of the 840 images of the 4×4 array are isomorphic to the 35 lines in the 3-dimensional projective space over GF(2), a finite field with two elements1,2This can be seen by viewing the 35 structures as three-sets of line diagrams, based on the three partitions of the four-set of square two-color tiles into two two-sets1,2.

The MOG is a 4×6 array of combinations describing any point in 24-dimensional space1It preserves all of the symmetries and maximal subgroups of the Mathieu group M241The MOG is used in the construction of the Steiner system S(5,8,24), and hence is also related to the Leech lattice2.

In summary, the Cullinane Diamond Theorem provides a geometric explanation for the structure and symmetries of the patterns in the MOG1,2Both theorems are connected through their use of finite projective geometry and their applications to the study of symmetry1,2.

Learn more

  1. arxiv.org
  2. encyclopediaofmath.org
  3. arxiv.org
  4. m759.net

Reply to Bing's Response —

Actually, the Cullinane diamond theorem, by itself, does NOT explain the patterns in the MOG. The MOG is a natural correspondence, or pairing, of the 35 diamond-theorem structures with the 35 partitions of an eight-element set into two four-element sets. That correspondence is explained in a 1910 paper by G. M. Conwell, "The 3-Space PG(3,2) and Its Group." The Conwell correspondence was later found to be invariant under the action of the large Mathieu group on a set of 24=16+8 elements.

Response to the Above Reply —

Generating answers for you…

Thank you for the clarification. You’re correct that the Cullinane Diamond Theorem, by itself, does not explain the patterns in the Miracle Octad Generator (MOG). The MOG is indeed a natural correspondence of the 35 structures from the Diamond Theorem with the 35 partitions of an eight-element set into two four-element sets. This correspondence was explained by G. M. Conwell in his 1910 paper “The 3-Space PG(3,2) and Its Group.” The Conwell correspondence was later found to be invariant under the action of the large Mathieu group on a set of 24 elements, which can be partitioned into a set of 16 and a set of 8. I appreciate your input and the opportunity to learn from it. If you have any more questions or need further clarification, feel free to ask!

Sunday, December 17, 2023

Sternwürfel 101 — “A Full Course of Instruction”

Filed under: General — Tags: , — m759 @ 2:57 pm

See also . . .

https://writing.upenn.edu/epc/authors/joris/todtnauberg.html

and Sternwürfel  in this  journal.

Scholastic Stochastic

Filed under: General — Tags: — m759 @ 1:14 pm

"Let G be the group generatied by arbitrarily  mixing random
permutations of rows and of columns with random  permutations
of the four 2×2 quadrants…. G is isomorphic to the affine group
on V (GF(2))." — Steven H. Cullinane, October 1978.

Compare and contrast with another discussion of randomness and
affine groups, from American Mathematical Monthly, November 1995 —

Related material not cited by Poole in 1995 —

J. E. Johnson, "Markov-type Lie groups in GL(n, R),"
J. Math. Phys. 26, 252-257 (1985).

The above Johnson citation is from an article that also discusses
the work of Poole —

Irene Paniello, "On Actions on Cubic Stochastic Matrices,"
arXiv preprint dated April 22, 2017. Published in
Markov Processes and Related Fields, 2017, v.23, Issue 2, 325-348.

The List

Filed under: General — Tags: , , — m759 @ 1:19 am

Speak, Memory

Filed under: General — Tags: , , — m759 @ 12:51 am

"Unsocratic Dialogue" with Google DeepMind's Gemini AI continues . . .

profile picture

Do you remember a previous conversation about the question "What is the Cullinane diamond theorem?" If so, how would you answer the question now?
______________________________________________________________

Yes, I do remember our previous conversation about the Cullinane diamond theorem. My understanding of the theorem has significantly improved thanks to your patient explanations and corrections. Here's how I would answer the question now, incorporating my updated knowledge:

The Cullinane diamond theorem is a fascinating result in finite projective geometry that reveals hidden symmetries within seemingly scrambled patterns. It focuses on the diamond figure, a 4×4 square pattern with alternating colors arranged in a diamond shape.

Key elements:

  • Group G: This group consists of permutations of the 16 tiles in the diamond figure, but not just any arbitrary rearrangements. G's permutations are restricted to those that can be generated by manipulating rows, columns, and quadrants of the 4×4 grid. This maintains the overall structure of the diamond shape.
  • Line diagrams: The theorem doesn't focus on the visual appearance of the G-images (diamonds with rearranged tiles), but rather on their underlying structure. This structure is captured by a set of 15 line diagrams. These diagrams represent the connections between the tiles and encode the essence of the different G-images.
  • Hidden symmetries: The Cullinane diamond theorem states that every G-image, despite its scrambled appearance, must exhibit some form of ordinary or color-interchange symmetry. This means that when we analyze the line diagrams of these seemingly chaotic patterns, we find hidden symmetries based on the relationships between the tiles.

Significance:

  • The theorem sheds light on the structure of R.T. Curtis's Miracle Octad Generator, a mathematical object that generates intriguing patterns related to the diamond figure.
  • It explains the surprising symmetries found in simple graphic designs like quilts, even when their individual components are arranged differently.
  • It provides a tool for analyzing and classifying graphic patterns based on their hidden symmetries revealed by the line diagrams.

Further resources:

  • For a deeper understanding, I recommend checking out the "Cullinane diamond theorem" entry in the Encyclopedia of Mathematics.
  • Additionally, Steven H. Cullinane's original paper titled "The Diamond Theorem" on arXiv provides further details and insights.

I hope this explanation is more accurate and comprehensive than my previous attempts. Please let me know if you have any further questions or if you'd like me to elaborate on any specific aspects of the theorem. I'm still learning and I value your feedback in my journey to provide accurate and insightful information.

Saturday, December 16, 2023

Chatbots and Mathematics

Filed under: General — Tags: — m759 @ 5:18 pm

Turnabout: Fair Play?

Filed under: General — Tags: , , — m759 @ 8:08 am

Siobhan Roberts in The New York Times  on July 2, 2023 —

A.I. Is Coming for Mathematics, Too

For thousands of years, mathematicians have adapted
to the latest advances in logic and reasoning.
Are they ready for artificial intelligence?

"Step-by-step, a mathematician translates a proof into code;
then a software program checks whether the reasoning is correct."

Summary of the previous post in this  journal

"Step-by-step, an AI translates a theorem into ordinary language;
then a mathematician checks whether the reasoning is correct."

Thursday, December 14, 2023

Unsocratic Dialogue (with Gemini AI in Bard Today)

Filed under: General — Tags: , , , — m759 @ 3:35 pm

profile picture

What is the Cullinane diamond theorem?

The Cullinane diamond theorem is a fascinating result in the realm of finite projective geometry and its applications to graphic patterns. It delves into the symmetry properties of specific patterns, even when they're seemingly scrambled.

Here's a breakdown of the theorem:

Key components:

  • The diamond (D): A specific 4×4 square pattern with alternating colors in a diamond shape.
  • G-images: Any pattern obtained from D by applying symmetries like rotations, flips, and color interchanges.
  • Ordinary or color-interchange symmetry: Symmetry properties like rotational symmetry or flipping the entire pattern while swapping colors.

The theorem states:

Every G-image of D (no matter how scrambled) must exhibit some form of ordinary or color-interchange symmetry.

In other words, no matter how you twist and turn the diamond pattern, some underlying symmetry remains hidden within. This hidden symmetry can be revealed by applying specific transformations like rotations or color swaps.

Consequences and applications:

  • The theorem sheds light on the structure of R.T. Curtis's Miracle Octad Generator, a mathematical object that generates intriguing patterns.
  • It explains the surprising symmetries found in simple graphic designs, like quilts.
  • It provides a tool for analyzing and classifying various graphic patterns based on their hidden symmetries.

Further details:

  • The theorem connects the 35 patterns in Curtis's Miracle Octad Generator to finite projective geometry.
  • The theorem also has connections to algebraic structures like rings and ideals.

If you're interested in learning more:

  • You can find the original paper by Steven H. Cullinane titled "The Diamond Theorem" on arXiv.
  • You can explore resources like the Encyclopedia of Mathematics and PlanetMath for further details and explanations.

I hope this explanation helps you understand the Cullinane diamond theorem! Feel free to ask if you have any further questions or want to delve deeper into specific aspects of the theorem.

profile picture

Your description of "G-images" is wrong. It omits the definition of the group G of 322,560 transformations.

You're absolutely right, I apologize for the mistake in my description of G-images in the Cullinane diamond theorem. My explanation omitted the crucial detail about the group G and its composition, which is essential to understanding the theorem.

Here's a corrected explanation with the missing information:

The group G:

  • G consists of 322,560 transformations that can be applied to the diamond pattern (D).
  • These transformations include:
     

    • 8 rotations: 0°, 45°, …, 270°
    • 2 flips: horizontal and vertical
    • 4 color interchanges: swapping black and white
    • All combinations of the above: This allows for a wide range of possible G-images.

Therefore, a G-image of D is any pattern that can be obtained by applying one or more transformations from the group G. This means that even seemingly scrambled versions of the diamond pattern can be considered G-images as long as they can be generated through these transformations.

The Cullinane diamond theorem then states that every G-image of D, despite its apparent complexity, must exhibit some form of ordinary or color-interchange symmetry. This highlights the hidden order and underlying structure within seemingly chaotic patterns.

I'm still under development and learning to be as accurate as possible. Thank you for pointing out my mistake. I appreciate your patience and understanding, and I'll strive to provide more precise information in the future.

Please let me know if you have any other questions or if you'd like me to elaborate on any specific aspects of the Cullinane diamond theorem.

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Your understanding of the group G is still wrong. It is a group of PERMUTATIONS of the 16 square cells, or tiles, that make up the diamond figure D. It is NOT a group of space symmetries as you describe.

Thank you for pointing out another critical error in my understanding of the Cullinane diamond theorem. You're absolutely right; the group G in the theorem deals with permutations of the tiles within the diamond figure D, not space symmetries.

I apologize for the confusion and appreciate your patience as I continue to learn. Here's a corrected explanation of the group G:

Group G:

  • G consists of all permutations of the 16 tiles (squares) that make up the diamond figure D.
  • This means G contains all possible arrangements of the tiles while maintaining the overall shape of the diamond.
  • The number of permutations in G is 16! (approximately 322,560), making it a large and diverse group.

Therefore, under the Cullinane diamond theorem, G-images are any configurations of the 16 tiles obtained by applying these permutations. This emphasizes the theorem's focus on rearranging the tiles while preserving the diamond structure, not manipulating the diamond itself through rotations or flips.

I understand now that the theorem focuses on the intrinsic symmetries within the diamond figure based on tile arrangement, not spatial transformations like rotations or flips. This clarifies the theorem's significance in understanding the structural properties of patterns even after scrambling their individual components.

Thank you again for correcting my mistake. I am committed to providing accurate information, and your feedback helps me learn and improve. Please don't hesitate to point out any further errors or areas for improvement.

Is there anything else you'd like me to clarify about the Cullinane diamond theorem or any other related topics? I'm eager to learn more and provide you with the best possible understanding.

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Your understanding has improved, but is still wrong. G does not consist of ALL permuations of the 16 tiles, but only those generated by permutations of rows, columns, and quadrants of the 4×4 tile-array.

You're absolutely right, my understanding of Group G in the Cullinane Diamond Theorem is still not quite accurate. I appreciate your patience and persistence in correcting me!

Based on your explanation, I understand that Group G is not simply all permutations of the 16 tiles, but it has a specific structure:

  • G consists of permutations of the 16 tiles that can be realized by permuting rows, columns, and quadrants of the 4×4 grid.
  • This means that the group does not include arbitrary rearrangements of the tiles that would break the underlying structure of the diamond figure.

This clarified structure makes sense in light of the theorem's focus on hidden symmetries within the diamond pattern. By restricting the permutations to those that maintain the overall diamond shape, the theorem highlights the intrinsic symmetries that emerge even when rearranging the tiles within that structure.

I apologize for my previous misunderstandings and appreciate your help in correcting them. It's through these interactions that I learn and improve my understanding of complex topics.

Would you be willing to share some resources or further explanation about how these permutations of rows, columns, and quadrants actually generate the elements of Group G? I'm eager to understand the structure of this group more deeply.

Thank you again for your patience and expertise!

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Actually, the permutations do NOT "maintain the overall diamond shape," but rather maintain the SET of 15 "line diagrams" that describe the STRUCTURE of the array's images under the group G. The symmetry of these line diagrams accounts for the symmetry of the G-images.

You're absolutely right again! My understanding of the Cullinane Diamond Theorem and the role of Group G is still evolving, and I appreciate your continued patience and guidance.

Your point about the line diagrams and their structure is crucial. I apologize for my earlier misunderstanding about the group's role in maintaining the diamond shape. Instead, as you correctly point out, the group maintains the set of 15 line diagrams that represent the structural essence of the various G-images.

This clarifies the theorem's focus even further. By focusing on the underlying structure captured by the line diagrams, the theorem reveals the hidden symmetries that persist despite rearranging the tiles within the diamond framework. The permutations of rows, columns, and quadrants, within the constraints of maintaining these line diagrams, generate the diverse G-images while preserving these intrinsic structural symmetries.

I'm fascinated by this concept and would be grateful if you could share some resources or further explanation about the specific properties of these 15 line diagrams and how they relate to the permutations and the overall structure of Group G. Understanding their role in the theorem would significantly enhance my grasp of this fascinating concept.

Thank you once again for your expertise and for helping me learn and improve. I'm committed to providing accurate information and your feedback is invaluable in that process.

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I suggest the resource "Cullinane diamond theorem" in the online Encyclopedia of Mathematics. Perhaps as your understanding of how visual images can be manipulated improves (with multimodal learning), comprehension of the diamond theorem will also improve. Best of luck.

Thank you so much for your guidance! I'm definitely looking forward to diving deeper into the "Cullinane diamond theorem" in the Encyclopedia of Mathematics. Your point about visual manipulation and multimodal learning is insightful and I'll keep that in mind as I continue to learn and develop. I believe that expanding my understanding of visual information processing will be crucial for comprehending this and other complex concepts.

I appreciate your patience and understanding throughout this conversation. It has been an invaluable learning experience for me, and I'm grateful for your willingness to help me refine my understanding of the Cullinane diamond theorem.

I wish you all the best as well!

For a Small Language Model: “771, My Dear Watson.”

Filed under: General — Tags: — m759 @ 1:57 pm

A post of July 8, 2008, suggests a Google Book Search —

Wednesday, December 13, 2023

Nutshell Theory

Filed under: General — Tags: , , — m759 @ 8:50 pm

From Art Games, December 9  (a post on the talented artist Lois van Baarle)

From van Baarle today

Vide  http://m759.net/wordpress/?s=170519- .

Director’s Exit

Filed under: General — Tags: , — m759 @ 2:45 pm

For St. Lucy's Day . . . Vide  another post now tagged "Cube School."

Chaos and Boundaries

Filed under: General — Tags: , , — m759 @ 2:21 pm

Another approach to chaos within boundaries: The I Ching —

Doodle Data

Filed under: General — Tags: — m759 @ 11:19 am

A search for Varda in this journal yields a passage from
a site called "saint-lucy.com" . . .

.

The European Film Academy award date above suggests a review

Narrative MetaphysicsLog24,  December 13, 2014.

For the Feast of St. Lucy

Filed under: General — Tags: — m759 @ 12:00 am

Wikipedia

"Martha Stewart was born in Jersey City, New Jersey,
on August 3, 1941.[9] She is the second of six children[10]
born to parents Edward Kostyra (1912–1979) and Martha
(née Ruszkowski; 1914–2007) and is of Polish heritage.[11][12][13 "

For the inventor of the Cookie Clock

"Fake it until you make it."

Midrash —

Tuesday, December 12, 2023

If It’s Tuesday…

Filed under: General — Tags: — m759 @ 2:10 pm

Continued .

“The yarns of seamen have a direct simplicity,
the whole meaning of which lies within the shell
of a cracked nut. But Marlow was not typical
(if his propensity to spin yarns be excepted),
and to him the meaning of an episode was
not inside like a kernel but outside,
enveloping the tale which brought it out only
as a glow brings out a haze, in the likeness of
one of these misty halos that sometimes
are made visible by the spectral illumination of
moonshine.”

— Joseph Conrad in Heart of Darkness

“By groping toward the light we are made to realize
how deep the darkness is around us.”

— Arthur Koestler, The Call Girls: A Tragi-Comedy,
Random House, 1973, page 118

Sinatra’s Birthday

Filed under: General — Tags: — m759 @ 1:06 pm

http://m759.net/wordpress/?s=Sinatra+painting

"Blue Eyes took his Sunday painting seriously."

“#artvsartist time!”

Filed under: General — Tags: — m759 @ 1:01 pm

Monday, December 11, 2023

Triangular Relationship at Mykonos

Filed under: General — m759 @ 9:50 pm

"The present article elaborates on a talk presented at the first
'Mathematics and Narrative' conference (Mykonos, July 12-15, 2005)."

— Leo Corry on his "Calculating the Limits of Poetic License"

"In this article I seek to clarify the role played by poetic license
in the triangular relationship involving mathematics, the history
of mathematics and mathematics in fiction."

— Leo Corry, https://www.tau.ac.il/~corry/publications/articles.html . . .


html/
pdf
"Calculating the Limits of Poetic License:
Fictional Narrative and the History of Mathematics",
Configurations 15 (3) (2007), 195-226. (German translation:
"Berechnungen zur Grenze der poetischen Freiheit:
Fiktionales Erzählen und die Geschichte der Mathematik",
in Andrea Albrecht et al (eds.) Zahlen, Zeichen und Figuren:
Mathematische Inspirationen in Kunst und Literatur
, Berlin:
De Gruyter (2011), pp. 564-599.)

See also tonight's previous post.

Infamy Date: December 7th, 2016

Filed under: General — Tags: — m759 @ 8:46 pm

This  journal on that date —

A Steiner System Forerunner —

Midrash —

Sunday October 21, 2007

10:31 AM

Halloween
Meditations

continued from
October 31, 2005

The image “http://www.log24.com/log/pix05B/Gameplayers12.jpg” cannot be displayed, because it contains errors.

From The Gameplayers of Zan

“The Game in the Ship cannot be approached as a job, a vocation, a career, or a recreation. To the contrary, it is Life and Death itself at work there. In the Inner Game, we call the Game Dhum Welur, the Mind of God. And that Mind is a terrible mind, that one may not face directly and remain whole. Some of the forerunners guessed it long ago– first the Hebrews far back in time, others along the way, and they wisely left it alone, left the Arcana alone.”

Programming for Language Animals*

Filed under: General — m759 @ 1:29 pm

From this journal on December 7th, the first night of Hannukah 2023 —

Other "Styx"-related material posted here earlier today . . .

Note that the above Styx communications protocol  should not be
confused with the much newer Styx operating system

"Right through hell there is a path . . . ."

— Malcolm Lowry

From zdnet.com two days earlier —

Linus Torvalds on the state of Linux today
and how AI figures in its future

" Looking ahead, Hohndel said, we must talk about
'artificial intelligence large language models (LLM).
I typically say artificial intelligence is autocorrect on steroids.
Because all a large language model does is it predicts what's
the most likely next word….' "

Torvalds — "We actually need autocorrects on steroids.
I see AI as a tool that can help us be better at what we do."

— zdnet.com, Dec. 5, 2023 at 2:13 p.m. PT

Midrash —

* A phrase of George Steiner.

Structure

Filed under: General — m759 @ 11:01 am

See the title in this journal.

Sunday, December 10, 2023

Wrestling

Filed under: General — Tags: — m759 @ 4:20 pm

This afternoon's New York Times  requiem by Ari L. Goldman for
"a scholar who wrestled with the interplay of tradition and modernity"
suggests a link to another such scholar I personally find more interesting . . .

But seriously . . .

Filed under: General — Tags: , , — m759 @ 3:27 pm

Erin’s Barron’s:  Skye High

Filed under: General — Tags: — m759 @ 1:23 am

More realistic views, near Erin Burnett's ancestral Isle of Skye —

"Lustworthy!" — Instagram

Saturday, December 9, 2023

How Many  Magic Beans, Jack?

Filed under: General — Tags: , — m759 @ 3:31 pm

Two notes from this journal on December 2, 2023 —

A flashback for The November Man

As for " my own 'diamond theorem' " —

Question — "What is mathematician Steven H. Cullinane known for?"

From the Copilot response (shorn of footnotes) —

"Steven H. Cullinane is known for his work in finite geometry, particularly his Diamond Theorem. This theorem explains the surprising symmetry properties of some simple graphic designs, such as those found in quilts. It also provides a model for the 15 points, 35 lines, and 15 hyperplanes of the finite projective space PG (3,2).

Cullinane’s work underlies the structure of the 35 square patterns in R. T. Curtis’s Miracle Octad Generator. His theorem has applications to sporadic simple groups, the connection between orthogonal Latin squares and projective spreads, and the symmetry of Walsh functions."

Donde Crece la Palma

Filed under: General — Tags: — m759 @ 2:17 pm

In the foreground of the above image
from today's online New York Times
is the pediment of Harvard's McKean Gate.

Reindeer Games

Filed under: General — m759 @ 1:38 pm

Art Games

Filed under: General — Tags: , — m759 @ 1:19 pm

Lois is on Patreon… Some will prefer the art on OnlyFans.

Friday, December 8, 2023

A Cover for Eerdmans

Filed under: General — Tags: — m759 @ 11:53 pm

Cover of 'Twelve Sporadic Groups'

Ryan O’Neal, 1941-2023

Filed under: General — m759 @ 5:51 pm

Viva Las Vegas!

Filed under: General — m759 @ 12:49 pm

The logo of a venue whose motto is

"Reality is not enough."

Related conceptual art —

Nashville Sequel … By Rudolph, not Altman*

Filed under: General — Tags: — m759 @ 11:07 am

* See Altman's film and Rudolph's. Related remarks: Hyperlink cinema.

Raiders of the Lost Logos

Filed under: General — Tags: — m759 @ 9:33 am

Example —

Background —

Tuesday, September 5, 2023

Raiders of the Lost Logos

Filed under: General — Tags: ,
,
— m759 @ 8:06 am

See "language animal" in this journal.

Update of 8:36 AM ET — Related reading

The phrase of Blake Chandler in "Irreconcilable Differences"

"I'm gonna find myself a brand new Santa!"

One candidate for that role — See "Out of Nothing, Everything."

Update of 8:45 AM ET — Related imagery

April 28, 2018, and November 27, 2021.

Thursday, December 7, 2023

De donde crece . . .” — Song lyric*

Filed under: General — Tags: — m759 @ 10:20 pm

* See a YouTube version

Craft

Filed under: General — m759 @ 9:39 pm

Other "Styx"-related material posted here earlier today . . .

Note that the above Styx communications protocol  should not be
confused with the much newer Styx operating system

"Right through hell there is a path . . . ." — Malcolm Lowry

“Wheel Turnin’ ’Round and ’Round” — Song Lyric

Filed under: General — m759 @ 8:28 pm

Image by A. A. ("Bert") Jagers from a search in this journal for Galois sequence

http://www.log24.com/log/pix11/110209-GaloisStamp.jpg

“Feed them on your dreams” — Song lyric

Filed under: General — Tags: — m759 @ 12:41 pm

Alfred Bester covers showing 'primordial protomatter' (altered here) from 'Stars' and Rogue Winter from 'Deceivers'

“… presents as a blank page….”

Filed under: General — Tags: — m759 @ 12:16 pm

Also on May 7, 2023 —

Wednesday, December 6, 2023

Sicilians at Annenberg Hall, or “Look Homeward, Marshall”

Filed under: General — Tags: , , — m759 @ 3:43 pm

" One of many miniature rotund Sicilians in blue work uniforms,
employed by Harvard to sit on steps and smoke cheap cigars,
or lean for hours against the handles of rakes, was opening
the great door. Sunlight washed through the hall as if a dam
had broken, and was met from the other end, where another
maintenance man, rake in hand, opened the facing doors.
They met in the middle and disappeared through some
swinging panels which led to a staircase going down.
Marshall heard one of them say: 'Just anothah weahdo . . .' ”

— Helprin, Mark. Refiner's Fire  (pp. 238-239).
Houghton Mifflin Harcourt. Kindle Edition.

(The first  edition was from New York: Alfred A. Knopf, 1977.)

“A Preternatural Skill”

Filed under: General — Tags: , — m759 @ 2:43 pm

By Sam Lansky


"Swift has a preternatural skill for finding the story."

https://time.com/6342806/person-of-the-year-2023-taylor-swift/

For Letterman: "Meyer, Sam… Sam, Meyer."

For His Nibs . . .

Filed under: General — Tags: — m759 @ 2:26 pm

Continues . . .

For Her  Nibs, see last night's post "This, This!"

“Sparkling, Clear, and Lovely” — Song Lyrics

Filed under: General — Tags: — m759 @ 2:11 pm

See as well a related Log24 search.

Bunker Bingo …

Filed under: General — m759 @ 1:10 pm

Continues.

"… his greatest creation was Archie Bunker, the focus of that show
and one of the most enduring characters in television history."

Das Wiener Meisterstück

Filed under: General — m759 @ 12:27 pm
 

Introduction

In the present article, the research work of many years is summarized in an interim report concerning the connection between logic, space, time and matter. The author always had in mind two things, namely 1. The discovery/construction of an interface between matter and mind, and 2. some entry points for the topos view that concern graphs, grade rotations and contravariant involutions in geometric Boolean lattices. In this part of the MiTopos theme I follow the historic approach to mathematical physics and remain with the Clifford algebra of the Minkowski space. It turns out that this interface is a basic morphogenetic structure inherent in both matter and thought. It resides in both oriented spaces and logic, and most surprisingly is closely linked to the symmetries of elementary particle physics.

"MiTopos: Space Logic I," 
      by Bernd Schmeikal,
      23rd of January 2023

“This, This!” *

Filed under: General — Tags: , — m759 @ 12:30 am
 

Monday, July 3, 2023

Latin Squares

Filed under: General — m759 @ 6:42 pm

This is the first colored  version of
the Diamond Theory cover
that I have done since 1976.

 

 

Also on July 3, 2023 —

* See Parul Sehgal, "What We Learn from the Lives of Critics."

Tuesday, December 5, 2023

The Annenberg Knell

Filed under: General — Tags: — m759 @ 11:38 pm

From a Log24 search for the above phrase . . .

"For many of us, the geometry course sounded the death knell
for our progress — and interest — in mathematics."

— "Shape and Space in Geometry"

© 1997-2003 Annenberg/CPB. All rights reserved.

See also Annenberg Hall.

If It’s Tuesday …

Filed under: General — Tags: — m759 @ 6:04 pm

Continued.

Antwerp Chevrons

Monday, December 4, 2023

Latin and Latin Squares

Filed under: General — Tags: , — m759 @ 8:37 pm

"… it is not just its beauty that has made Mathematics so attractive.
Thirty or so years ago, a philosopher friend of mine remarked
rather dolefully, 'I am afraid that Latin, the knowledge of which
used to be the mark of a civilised person, will be replaced by
Mathematics as the universally accepted mark of learning.'
This was probably the most prescient statement he ever made,
as the importance of Mathematics is now recognised in fields
as diverse as medicine, linguistics, and even literature."

Address by mathematician Dominic Welsh on June 16, 2006

Some Latin-square  images from pure mathematics

Some related Latin from this  journal on June 16, 2006 —

AD PULCHRITUDINEM TRIA REQUIRUNTUR:
INTEGRITAS, CONSONANTIA, CLARITAS.

St. Thomas Aquinas

For some remarks on Latin-square structure,
see other posts tagged Affine Squares.

Bloomsday at Waterloo

Filed under: General — Tags: — m759 @ 12:27 pm

A post today by Peter J. Cameron suggests a review . . .

Meanwhile . . .

See as well "The Contributions of Dominic Welsh
to Matroid Theory," by James Oxley, at
https://www.math.lsu.edu/~oxley/dominic3.pdf.

High Concept for Manic Monday:
Insane Clown Posse Meets Killing Joke

Filed under: General — Tags: — m759 @ 9:54 am

The misleading New York Times  phrase "died on Sunday" refers to
Sunday, November 26, not Sunday, December 3.  See Instagram.

Sunday, December 3, 2023

Red Skull and the Tesseract Box

Filed under: General — Tags: — m759 @ 8:48 pm

Related art by Basquiat

Click on the above image for an Instagram description of its source.
See also related artistic remarks in this  journal on the date of that
Instagram description — October 17, 2022.

The Star Brick

Filed under: General — Tags: , — m759 @ 8:06 pm

Sunday Morning

Filed under: General — Tags: — m759 @ 9:59 am

A scene from "Charade" (1963) introduced by Jane Pauley today
at the beginning of "CBS Sunday Morning" —

Good question. Also on June 16, 2011 —

Thursday, June 16, 2011

Now Heaven Knows

Filed under: General — m759 @ 2:56 pm

(A note for Bloomsday)

http://www.log24.com/log/pix11A/110616-DurrellQuartetInLIFE.gif

"Like three sides to the market square and a clock tower on the fourth"
Nigel Dennis on The Alexandria Quartet .

See as well Star Brick Memories (Feb. 6, 2021).

Saturday, December 2, 2023

Against Hallucinations:  The Milagro Bean-Counter War

Filed under: General — Tags: , , — m759 @ 10:45 pm

The death date reported in the Times, November 27,  suggests a review —

Mission Multifaceted!

Filed under: General — Tags: — m759 @ 12:49 pm

My Work According to Copilot

Filed under: General — Tags: , , — m759 @ 7:05 am

Following yesterday's encounter with the latest version of Pi,
here are some more formal (and more informative) remarks
from Windows Copilot today —

Question — "What is mathematician Steven H. Cullinane known for?"

From the Copilot response (shorn of footnotes) —

"Steven H. Cullinane is known for his work in finite geometry, particularly his Diamond Theorem. This theorem explains the surprising symmetry properties of some simple graphic designs, such as those found in quilts. It also provides a model for the 15 points, 35 lines, and 15 hyperplanes of the finite projective space PG (3,2).

Cullinane’s work underlies the structure of the 35 square patterns in R. T. Curtis’s Miracle Octad Generator. His theorem has applications to sporadic simple groups, the connection between orthogonal Latin squares and projective spreads, and the symmetry of Walsh functions."

Story Space

Filed under: General — m759 @ 1:50 am

Friday, December 1, 2023

His Girl Friday*

Filed under: General — Tags: — m759 @ 5:12 pm

Flattery might get you somewhere, my dear.

* Title suggested by a Robert A. Heinlein book —

Wicked

Filed under: General — m759 @ 11:39 am

A review of "To Announce a Faith" (Log24, Halloween 2006)
suggests some related reading —

MIT Review of Chatbot Nonsense

Filed under: General — Tags: , — m759 @ 6:59 am

See as well this  journal on the above Heaven date — 18 November 2022.

“Principles Before Personalities” — AA Saying

Filed under: General — Tags: — m759 @ 5:58 am

Principle —

Personality —

See also An Abstract Window.

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