Willingly. You'll find most of it on the Wikipedia page under History, but in brief:
either Alonzo Church picked a random Greek letter, in his own words by eenie-meenie.
or he started with a 'hat' over a variable - like ê - which got shifted to the left to become an upside down V. Which looks like a capital lambda, and so it was lowercased.
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Willingly. You'll find most of it on the Wikipedia page under History, but in brief:
either Alonzo Church picked a random Greek letter, in his own words by eenie-meenie.
or he started with a 'hat' over a variable - like ê - which got shifted to the left to become an upside down V. Which looks like a capital lambda, and so it was lowercased.