2 Commits (05639fd07e0a42de814a1ad9f4c17e8bc95a663e)

Author	SHA1	Message	Date
Joshua Potter	e869d6f2d3	Move aviary into Smullyan directory.	2023-06-29 15:30:48 -06:00
Joshua Potter	dd4340c4bd	Move `OrderedPair` and `Relation` to Enderton. ... These modules probably won't be very useful in general; there exist better representations in Lean when dealing with ordered pairs or relations already.	2023-06-29 15:25:59 -06:00