Commit Graph

4 Commits (3faaacccf00261d46d9afdae5adce932fcc04719)

Author SHA1 Message Date
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
Joshua Potter 7559664d56 Enderton. Ordered pairs. 2023-06-08 17:57:02 -06:00
Joshua Potter fd816a97bc Enderton "Algebra of Sets" identities and create `Chapter_2.lean`. 2023-05-23 09:18:23 -06:00
Joshua Potter ed981c3892 Add start of Enderton's "Elements of Set Theory." 2023-05-18 14:04:59 -06:00