Joshua Potter db6074f1a1 Enderton. Peano postulate theorem/exercise drafts.		2023-07-23 12:13:24 -06:00
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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. Additional equivalence relation exercises.	2023-07-10 14:47:27 -06:00
Real	Add hyperref linking and fix other refs.	2023-07-12 10:54:35 -06:00
Set	Enderton. Peano postulate theorem/exercise drafts.	2023-07-23 12:13:24 -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. Peano systems.	2023-07-21 14:25:36 -06:00