"Martin told us about his work on machine learning…."
	— Peter J. Cameron reports on last week's (May 10 and 11)
	London Combinatorics Colloquia 2023.
	Related material — Boolean Functions in this journal and in a book
	from May 16, 2011 . . .
	 
Some historical background on machine learning —
https://tripleampersand.org/kernelled-connections-perceptron-diagram/ .