Commit Graph

289 Commits (2a85d526d75e8177f9c77a2d95d68f893b6ec44c)

Author SHA1 Message Date
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 f1a10c6877 Enderton (set). Wrap original pigeonhole expression into aux. 2023-09-14 10:00:39 -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 1e662bd1fe Remove explicit lake dependency. 2023-09-09 05:14:06 -06:00
Joshua Potter 7e1eb8fdfb Require simp to make progress. 2023-09-08 18:50:44 -06:00
Joshua Potter b9b54fce14 Update to doc-gen4 commit `9efe8f1`. 2023-09-08 14:19:34 -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 9e9072ce45 Enderton (logic). Add exercise 1.3 theorems and exercise prompts. 2023-08-23 14:47:51 -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 6c5fbf825a Enderton (logic). Finish all but exercise 1.2.14. 2023-08-21 18:30:16 -06:00
Joshua Potter c458eca8ae Enderton (logic). 1.2.6-1.2.9. 2023-08-21 14:51:49 -06:00
Joshua Potter 0cc0cce2b5 Enderton (logic). Formally verify so-far solved 1.2 exercises. 2023-08-20 09:30:07 -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 94550ab43e Enderton (logic). Continue Exercises 1.1. 2023-08-16 06:27:17 -06:00
Joshua Potter 456303f1dc Enderton (logic). Continue working through section 1.1. 2023-08-15 15:04:55 -06:00
Joshua Potter 91cdf1540e Update to doc-gen4 commit `596782c`. 2023-08-15 07:55:46 -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 4e6630ab45 Enderton (set). Testing cross-referencing. 2023-08-14 13:45:14 -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 48ab62033c Better categorize books I'm studying. 2023-08-12 13:59:55 -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 e08e68bbc3 Enderton. Fix lemma 3B header. 2023-08-09 10:10:11 -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 51e415a87f Apostol. Update coloring of definitions in the reference section. 2023-08-08 17:32:32 -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 b91ee81261 Enderton (logic). Fix up exercise numbering. 2023-08-08 14:52:52 -06:00
Joshua Potter 8f15ec7d6d Enderton (logic). Draft up chapter 0 and chapter 1 theorems/exercises. 2023-08-08 14:50:48 -06:00