Commit Graph

15 Commits (4f371ac9b85018beb381c916907ca732c1fbdaa3)

Author SHA1 Message Date
Joshua Potter 4f371ac9b8 Update for use with latest Mathlib version. 2023-11-08 00:26:03 -07:00
Joshua Potter 83699dd58e Enderton. Continue actually verifying set theorems. 2023-08-09 15:44:40 -06:00
Joshua Potter 1eff704803 Start fixing up unverified. 2023-08-09 12:59:23 -06:00
Joshua Potter d89200fd9d Simplify lean link formatting. 2023-08-09 10:07:18 -06:00
Joshua Potter e8aa984b98 Add icon to distinguish Lean definitions from custom ones.
Update to pending any proofs that were using already defined Lean
proofs.
2023-08-08 20:50:31 -06:00
Joshua Potter 63667c22e4 Normalize header sizes. 2023-06-29 17:02:20 -06:00
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
Joshua Potter c65e28888d Enderton. Fix exercise names. 2023-06-29 14:53:36 -06:00
Joshua Potter 8b5736397c Enderton. Break out relations/ordered pairs. Exercise 6.7. 2023-06-20 15:02:09 -06:00
Joshua Potter 6d3a2d8ad0 Fix build errors in `Chapter_2.lean`. 2023-06-10 12:09:24 -06:00
Joshua Potter 49bd4871fe Enderton. Theorem 3A. 2023-06-06 20:16:06 -06:00
Joshua Potter 2dff3f5794 Enderton. Chapter 2 exercises, 11-25. 2023-06-04 17:34:42 -06:00
Joshua Potter 4624d58924 Enderton. Continue proofs/exercises of "Axioms and Operations." 2023-05-23 15:38:33 -06:00
Joshua Potter fd816a97bc Enderton "Algebra of Sets" identities and create `Chapter_2.lean`. 2023-05-23 09:18:23 -06:00