Joshua Potter
67a7a2c22b
Enderton. Fix up note on theorem ordering.
2023-08-05 06:24:24 -06:00
Joshua Potter
77684120d9
Enderton. Prove ordering theorems and fix injective successor proof.
2023-08-04 18:26:15 -06:00
Joshua Potter
5dfb2f12cf
Enderton. Finish ordering on natural numbers exercises.
2023-08-04 09:44:58 -06:00
Joshua Potter
11d25dd28c
Enderton. Begin adding theorem statements around ordering.
2023-08-04 08:54:11 -06:00
Joshua Potter
03f51f3097
Enderton. Exponentiation and some arithmetic exercises.
2023-08-02 13:55:04 -06:00
Joshua Potter
3faaacccf0
Enderton. Prove out addition/multiplication properties.
2023-08-02 13:47:43 -06:00
Joshua Potter
2d93d8d768
Enderton. Add various lemmas/begin algebraic proofs.
2023-08-02 11:02:33 -06:00
Joshua Potter
e7cd189557
Enderton. Draft theorems/exercises on arithmetic section.
2023-08-01 13:17:30 -06:00
Joshua Potter
8b1da10ef1
Enderton. Recursion on omega exercises.
2023-08-01 12:41:51 -06:00
Joshua Potter
d64bf9b076
Enderton. Recursion theorem and exercise 4.8.
2023-07-31 14:15:13 -06:00
Joshua Potter
526a11a3f6
Enderton. Draft recursion theorems and exercises.
2023-07-25 12:46:26 -06:00
Joshua Potter
1260c493bc
Enderton. Finish "Peano's Postulates" section.
2023-07-24 12:19:25 -06:00
Joshua Potter
db6074f1a1
Enderton. Peano postulate theorem/exercise drafts.
2023-07-23 12:13:24 -06:00
Joshua Potter
f328440797
Enderton. Peano systems.
2023-07-21 14:25:36 -06:00
Joshua Potter
9b8ddd2b0d
Enderton. Begin progressing through natural numbers.
2023-07-19 19:25:44 -06:00
Joshua Potter
4679b66abe
Enderton. Finish ordering relation exercises/theorems.
2023-07-18 16:34:06 -06:00
Joshua Potter
668c005c91
Enderton. Ordering relations exercises.
2023-07-14 15:09:33 -06:00
Joshua Potter
dd430d8379
Enderton. Draft up ordering relation section.
2023-07-13 13:56:01 -06:00
Joshua Potter
c07be8a4ce
Enderton. Finish most equivalence class exercises.
2023-07-13 13:06:48 -06:00
Joshua Potter
e3205a1e5d
Add hyperref linking and fix other refs.
2023-07-12 10:54:35 -06:00
Joshua Potter
5991554fcb
Enderton. Exercise 3.38.
2023-07-11 16:48:46 -06:00
Joshua Potter
2199503f70
Enderton. Fixup equivalence class def'ns and additional exercises.
2023-07-11 13:15:45 -06:00
Joshua Potter
98ecc12995
Enderton. Additional equivalence relation exercises.
2023-07-10 14:47:27 -06:00
Joshua Potter
c574b481af
Enderton. Exercise 3.29.
2023-07-07 20:30:53 -06:00
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
874bbe203c
Enderton. Exercise 3.19.
2023-07-06 07:31:13 -06:00
Joshua Potter
0e55484adc
Enderton. Exercises 3.16 - 3.18.
2023-07-05 17:02:43 -06:00
Joshua Potter
d3f242cf07
Enderton. Formally verify exercises 3.12 through 3.15.
2023-07-05 12:45:51 -06:00
Joshua Potter
993e9fe981
Enderton. Exercise 3.31, Theorem 3K, and corollary.
2023-07-04 16:35:21 -06:00
Joshua Potter
86abd77523
Enderton. Lean references of definitions and more exercises.
2023-07-03 15:48:28 -06:00
Joshua Potter
140195a8ee
Enderton. Add equivalence relation problem prompts.
2023-07-02 12:26:09 -06:00
Joshua Potter
48ed3cd59e
Enderton. Additional equivalence relation definitions.
2023-07-01 15:35:22 -06:00
Joshua Potter
8294d9583c
Enderton. Prove out most of the set function exercises.
2023-07-01 14:40:11 -06:00
Joshua Potter
d2ae05037a
Change coloring to distinguish "in progress" and "unverified".
2023-06-30 11:50:34 -06:00
Joshua Potter
63667c22e4
Normalize header sizes.
2023-06-29 17:02:20 -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
c65e28888d
Enderton. Fix exercise names.
2023-06-29 14:53:36 -06:00
Joshua Potter
92b52ef1b8
Enderton. Infinite cartesian products.
2023-06-29 14:05:08 -06:00
Joshua Potter
f885f6e334
Enderton. Function question prompts.
2023-06-28 15:31:37 -06:00
Joshua Potter
76d294a47f
Enderton. Finish function theorems.
2023-06-28 13:19:59 -06:00
Joshua Potter
62f259358d
Enderton. Axiom of choice; fix theorem 3J.
2023-06-27 16:52:44 -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
3db21d7a1a
Enderton. Finish remaining theorems 3 set.
2023-06-25 09:57:03 -06:00
Joshua Potter
a6e6251627
Enderton. Continue through theorem 3 set.
2023-06-25 07:27:35 -06:00
Joshua Potter
d215265a91
Enderton. Single-rooted/valued proofs.
2023-06-24 09:52:45 -06:00
Joshua Potter
27372eb160
Enderton. Add additional definitions and prove Theorem 3E.
2023-06-23 15:47:55 -06:00
Joshua Potter