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
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images	Enderton. Chapter 2 exercises, 11-25.	2023-06-04 17:34:42 -06:00
Chapter_1.lean	Move aviary into Smullyan directory.	2023-06-29 15:30:48 -06:00
Chapter_2.lean	Add icon to distinguish Lean definitions from custom ones.	2023-08-08 20:50:31 -06:00
Chapter_3.lean	Enderton. Finish ordering relation exercises/theorems.	2023-07-18 16:34:06 -06:00
Chapter_4.lean	Enderton. Prove ordering theorems and fix injective successor proof.	2023-08-04 18:26:15 -06:00
OrderedPair.lean	Move aviary into Smullyan directory.	2023-06-29 15:30:48 -06:00
Relation.lean	Enderton. Finish most equivalence class exercises.	2023-07-13 13:06:48 -06:00