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
c65e28888d
Enderton. Fix exercise names.
2023-06-29 14:53:36 -06:00
Joshua Potter
644660d197
Enderton. Verify theorem 3I.
2023-06-26 15:11:19 -06:00
Joshua Potter
9b6af648f2
Enderton. Theorem 3H and helper theorems.
2023-06-26 13:11:55 -06:00
Joshua Potter
931e617161
Enderton. Formally verify theorem 3G.
2023-06-26 07:08:25 -06:00
Joshua Potter
a6e6251627
Enderton. Continue through theorem 3 set.
2023-06-25 07:27:35 -06:00
Joshua Potter
27372eb160
Enderton. Add additional definitions and prove Theorem 3E.
2023-06-23 15:47:55 -06:00
Joshua Potter
3d556bc613
Enderton. Finish exercises 6.
2023-06-22 14:34:50 -06:00
Joshua Potter
8b5736397c
Enderton. Break out relations/ordered pairs. Exercise 6.7.
2023-06-20 15:02:09 -06:00
Joshua Potter
738435e299
Add prompts for upcoming theorems/exercises.
2023-06-16 08:16:33 -06:00
Joshua Potter
2abd4b6b25
Enderton. Finishe exercise set 5. Prep for exercise set 6.
2023-06-15 15:31:58 -06:00
Joshua Potter
f5d1fc546a
Enderton. Move Kuratowski's definition of an ordered pair into chapter; not
...
likely to be used outside this book.
2023-06-10 16:02:22 -06:00
Joshua Potter
6d3a2d8ad0
Fix build errors in `Chapter_2.lean`.
2023-06-10 12:09:24 -06:00
Joshua Potter
64d8324657
Enderton. Finish exercises 5 in LaTeX.
2023-06-10 05:51:42 -06:00
Joshua Potter
ad3e31764b
Enderton. Exercise 5.(1|2a|2b).
2023-06-09 21:03:06 -06:00
Joshua Potter
7559664d56
Enderton. Ordered pairs.
2023-06-08 17:57:02 -06:00
Joshua Potter
49bd4871fe
Enderton. Theorem 3A.
2023-06-06 20:16:06 -06:00
Joshua Potter