Joshua Potter
8f833f9353
Enderton (set). Begin chapter 6 exercises.
2023-08-16 12:46:16 -06:00
Joshua Potter
456303f1dc
Enderton (logic). Continue working through section 1.1.
2023-08-15 15:04:55 -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
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
Joshua Potter