Commit Graph

113 Commits (main)

Author SHA1 Message Date
Joshua Potter cdba12f161 Drop Theorem 6A references. 2023-11-12 11:44:57 -07:00
Joshua Potter b596478a36 More LaTeX proof embedding. Finish up "Set Difference Size". 2023-11-12 11:21:00 -07:00
Joshua Potter f215a3180a Enderton (set). Chapter 6 formatting.
More consistent header levels throughout.
2023-11-11 15:15:03 -07:00
Joshua Potter 857d0ea83e
Enderton (Set). Additions to exercise set 6. (#8) 2023-11-10 10:02:25 -07:00
Joshua Potter c985f9f8a5 Update `equinumerous` to infix `equin` command. 2023-09-30 14:29:50 -06:00
Joshua Potter edef7e9b58 Enderton (set). Partially work on finite set exercises. 2023-09-27 19:32:50 -06:00
Joshua Potter 2a85d526d7 Enderton (set). Finish equinumerosity theorems. 2023-09-19 08:39:34 -06:00
Joshua Potter 7959c474a0 Enderton (set). Fixup the pigeonhole principle. 2023-09-16 17:54:41 -06:00
Joshua Potter 91fc8436da
Prove the pigeonhole principle. (#7) 2023-09-14 09:00:28 -06:00
Joshua Potter 66ca483671 Enderton (set). Isomorphism from ℕ to peano systems. 2023-09-09 05:15:52 -06:00
Joshua Potter e7a8d7ea3c Enderton (set). Theorem 4H. 2023-08-27 13:48:10 -06:00
Joshua Potter 3bf6f13055 Enderton (set). Add Lean scaffolding for finite set theorems/bijections. 2023-08-26 18:43:44 -06:00
Joshua Potter a00a5f5523 Enderton (set). Work through backlog of theorems and exercises. 2023-08-26 18:41:33 -06:00
Joshua Potter 306acd2975 Enderton (set). Begin adding Chapter 6 lean theorems. 2023-08-23 18:23:28 -06:00
Joshua Potter f22712faf1 Enderton (set). Add cardinal arithmetic theorems and exercise prompts. 2023-08-23 14:32:57 -06:00
Joshua Potter 6eaea4b6a0 Endreton (logic). Proofs of "Finite Set" theorems. 2023-08-23 09:06:52 -06:00
Joshua Potter 9fe4f2ee78 Enderton (logic). Most of exercises 6.1. 2023-08-20 07:02:37 -06:00
Joshua Potter a4f72d0a84 Enderton. Set/logic exercises and truth table macros. 2023-08-17 21:32:05 -06:00
Joshua Potter f990a7a30a Enderton. Reorder theorems in Lean modules and add set/logic prompts. 2023-08-17 18:04:20 -06:00
Joshua Potter 2c1547aee9 Enderton (set). Equinumerosity theorems. 2023-08-17 12:56:39 -06:00
Joshua Potter b9b542f0ee Enderton (set). Revert Theorem 6A. 2023-08-17 05:34:41 -06:00
Joshua Potter 8f833f9353 Enderton (set). Begin chapter 6 exercises. 2023-08-16 12:46:16 -06:00
Joshua Potter cbf4528bbc Enderton (logic). Begin writing out Lean proofs for Exercises 1. 2023-08-14 20:37:09 -06:00
Joshua Potter 70e51584a5 Enderton (logic). Begin proving inducting statements. 2023-08-13 12:39:50 -06:00
Joshua Potter bbae7136b1 Add notion of "assumption"s and rename `pair` to a more general `tuple` macro. 2023-08-13 10:03:41 -06:00
Joshua Potter 3fbeb6435b Enderton (set). Empty prompts around first few chapter 6 theorems. 2023-08-13 09:03:51 -06:00
Joshua Potter a4cecbffd8 Enderton (set). Chapter 4 exercises. 2023-08-12 13:53:51 -06:00
Joshua Potter 21a3e78106 Enderton (set). Continue refining ordering theorems/exercises. 2023-08-11 18:58:36 -06:00
Joshua Potter 656530fed9 Enderton (set). Theorem 4N, Corollary 4P. 2023-08-11 08:17:30 -06:00
Joshua Potter aae9eac4d0 Enderton. Part of ordering theorems/exercises. 2023-08-11 07:00:57 -06:00
Joshua Potter ca58d67d8e Enderton. Well-ordering principle and reorder notes below links. 2023-08-10 12:06:20 -06:00
Joshua Potter 1c988dc9e9 Update mathlib4 links to Lean's hosted index instead. 2023-08-10 11:31:14 -06:00
Joshua Potter 1a515ca3f5 Use tcolorbox for notes instead. 2023-08-10 11:16:47 -06:00
Joshua Potter c4538e3e94 Organize custom proofs over Lean proofs. 2023-08-09 15:56:44 -06:00
Joshua Potter 83699dd58e Enderton. Continue actually verifying set theorems. 2023-08-09 15:44:40 -06:00
Joshua Potter 1eff704803 Start fixing up unverified. 2023-08-09 12:59:23 -06:00
Joshua Potter d89200fd9d Simplify lean link formatting. 2023-08-09 10:07:18 -06:00
Joshua Potter e8aa984b98 Add icon to distinguish Lean definitions from custom ones.
Update to pending any proofs that were using already defined Lean
proofs.
2023-08-08 20:50:31 -06:00
Joshua Potter ec53cdd710 Update proofs to pending if there is no custom proof set. 2023-08-08 17:30:29 -06:00
Joshua Potter f40e1fddaa Enderton. Corollary 4P. 2023-08-08 08:56:13 -06:00
Joshua Potter f23d925544 Enderton. Theorem 4N. 2023-08-08 08:13:39 -06:00
Joshua Potter 793cfbc8fd Enderton. Finish drafting prompts of Natural Numbers section. 2023-08-05 11:18:53 -06:00
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