Joshua Potter
04fe6c66db
Enderton. Heterogeneous relations and additional exercises.
2023-07-07 10:56:47 -06:00
Joshua Potter
1c6fec389f
Enderton. Exercises 3.19-3.23.
2023-07-06 15:31:09 -06:00
Joshua Potter
d3f242cf07
Enderton. Formally verify exercises 3.12 through 3.15.
2023-07-05 12:45:51 -06:00
Joshua Potter
86abd77523
Enderton. Lean references of definitions and more exercises.
2023-07-03 15:48:28 -06:00
Joshua Potter
e869d6f2d3
Move aviary into Smullyan directory.
2023-06-29 15:30:48 -06:00
Joshua Potter
dd4340c4bd
Move `OrderedPair` and `Relation` to Enderton.
...
These modules probably won't be very useful in general; there exist
better representations in Lean when dealing with ordered pairs or
relations already.
2023-06-29 15:25:59 -06:00
Joshua Potter