Joshua Potter 27372eb160 Enderton. Add additional definitions and prove Theorem 3E.		2023-06-23 15:47:55 -06:00
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Combinator	Rename `Bookshelf` to `Common`.	2023-05-08 14:08:48 -06:00
Geometry	Redefine an `Orthogonal` rectangle as a subtype of a `Skew` one.	2023-05-15 14:07:42 -06:00
List	Derive a more constructive `StepFunction` definition.	2023-05-15 13:37:01 -06:00
Logic	Enderton. Chapter 2 exercises, 11-25.	2023-06-04 17:34:42 -06:00
Real	Update toolchain and deps.	2023-05-20 11:11:27 -06:00
Set	Enderton. Add additional definitions and prove Theorem 3E.	2023-06-23 15:47:55 -06:00
Combinator.lean	Rename `Bookshelf` to `Common`.	2023-05-08 14:08:48 -06:00
Finset.lean	Derive a more constructive `StepFunction` definition.	2023-05-15 13:37:01 -06:00
List.lean	Derive a more constructive `StepFunction` definition.	2023-05-15 13:37:01 -06:00
Logic.lean	Enderton. Continue proofs/exercises of "Axioms and Operations."	2023-05-23 15:38:33 -06:00
Real.lean	Revise geometry with different types of rectangles and lines.	2023-05-15 06:40:35 -06:00
Set.lean	Enderton. Break out relations/ordered pairs. Exercise 6.7.	2023-06-20 15:02:09 -06:00