Friday, September 21, 2007

An interesting historical note

Apparently the first use of schematic letters in the history of logic was Aristotle's Priori Analytics book 1 chapter 2. Even though I recently read that chapter several times, it didn't even occur to me that it was the first such usage. I gather Quine was quite fond of schematic letters in his teaching of logic. A tip of the hat to James Allen for pointing this fact out to me.

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