4 Commits (f990a7a30a4987c07a4b988dff79fa06d74f6cd5)

Author	SHA1	Message	Date
Joshua Potter	94550ab43e	Enderton (logic). Continue Exercises 1.1.	2023-08-16 06:27:17 -06:00
Joshua Potter	456303f1dc	Enderton (logic). Continue working through section 1.1.	2023-08-15 15:04:55 -06:00
Joshua Potter	cbf4528bbc	Enderton (logic). Begin writing out Lean proofs for Exercises 1.	2023-08-14 20:37:09 -06:00
Joshua Potter	ed981c3892	Add start of Enderton's "Elements of Set Theory."	2023-05-18 14:04:59 -06:00