5 Commits (738435e29973b9efa674114ac082f0abb7af9525)

Author	SHA1	Message	Date
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