 Joshua Potter
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0a3b8f082b
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Add note.
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2023-09-21 06:15:17 -06:00 |
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Joshua Potter
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a8520e74bd
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More progress.
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2023-09-20 17:49:03 -06:00 |
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Joshua Potter
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a368f32558
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Finite set exercises.
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2023-09-20 13:39:59 -06:00 |
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Joshua Potter
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2a85d526d7
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Enderton (set). Finish equinumerosity theorems.
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2023-09-19 08:39:34 -06:00 |
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Joshua Potter
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7959c474a0
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Enderton (set). Fixup the pigeonhole principle.
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2023-09-16 17:54:41 -06:00 |
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Joshua Potter
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f1a10c6877
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Enderton (set). Wrap original pigeonhole expression into aux.
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2023-09-14 10:00:39 -06:00 |
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Joshua Potter
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91fc8436da
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Prove the pigeonhole principle. (#7)
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2023-09-14 09:00:28 -06:00 |
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Joshua Potter
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66ca483671
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Enderton (set). Isomorphism from ℕ to peano systems.
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2023-09-09 05:15:52 -06:00 |
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Joshua Potter
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7e1eb8fdfb
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Require simp to make progress.
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2023-09-08 18:50:44 -06:00 |
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Joshua Potter
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e7a8d7ea3c
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Enderton (set). Theorem 4H.
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2023-08-27 13:48:10 -06:00 |
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Joshua Potter
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3bf6f13055
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Enderton (set). Add Lean scaffolding for finite set theorems/bijections.
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2023-08-26 18:43:44 -06:00 |
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Joshua Potter
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a00a5f5523
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Enderton (set). Work through backlog of theorems and exercises.
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2023-08-26 18:41:33 -06:00 |
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Joshua Potter
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306acd2975
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Enderton (set). Begin adding Chapter 6 lean theorems.
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2023-08-23 18:23:28 -06:00 |
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Joshua Potter
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9e9072ce45
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Enderton (logic). Add exercise 1.3 theorems and exercise prompts.
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2023-08-23 14:47:51 -06:00 |
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Joshua Potter
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f22712faf1
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Enderton (set). Add cardinal arithmetic theorems and exercise prompts.
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2023-08-23 14:32:57 -06:00 |
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Joshua Potter
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6eaea4b6a0
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Endreton (logic). Proofs of "Finite Set" theorems.
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2023-08-23 09:06:52 -06:00 |
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Joshua Potter
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6c5fbf825a
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Enderton (logic). Finish all but exercise 1.2.14.
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2023-08-21 18:30:16 -06:00 |
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Joshua Potter
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c458eca8ae
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Enderton (logic). 1.2.6-1.2.9.
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2023-08-21 14:51:49 -06:00 |
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Joshua Potter
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0cc0cce2b5
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Enderton (logic). Formally verify so-far solved 1.2 exercises.
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2023-08-20 09:30:07 -06:00 |
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Joshua Potter
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9fe4f2ee78
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Enderton (logic). Most of exercises 6.1.
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2023-08-20 07:02:37 -06:00 |
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Joshua Potter
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a4f72d0a84
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Enderton. Set/logic exercises and truth table macros.
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2023-08-17 21:32:05 -06:00 |
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Joshua Potter
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f990a7a30a
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Enderton. Reorder theorems in Lean modules and add set/logic prompts.
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2023-08-17 18:04:20 -06:00 |
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Joshua Potter
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2c1547aee9
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Enderton (set). Equinumerosity theorems.
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2023-08-17 12:56:39 -06:00 |
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Joshua Potter
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b9b542f0ee
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Enderton (set). Revert Theorem 6A.
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2023-08-17 05:34:41 -06:00 |
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Joshua Potter
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8f833f9353
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Enderton (set). Begin chapter 6 exercises.
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2023-08-16 12:46:16 -06:00 |
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Joshua Potter
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94550ab43e
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Enderton (logic). Continue Exercises 1.1.
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2023-08-16 06:27:17 -06:00 |
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Joshua Potter
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456303f1dc
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Enderton (logic). Continue working through section 1.1.
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2023-08-15 15:04:55 -06:00 |
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Joshua Potter
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cbf4528bbc
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Enderton (logic). Begin writing out Lean proofs for Exercises 1.
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2023-08-14 20:37:09 -06:00 |
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Joshua Potter
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4e6630ab45
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Enderton (set). Testing cross-referencing.
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2023-08-14 13:45:14 -06:00 |
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Joshua Potter
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70e51584a5
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Enderton (logic). Begin proving inducting statements.
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2023-08-13 12:39:50 -06:00 |
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Joshua Potter
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bbae7136b1
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Add notion of "assumption"s and rename `pair` to a more general `tuple` macro.
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2023-08-13 10:03:41 -06:00 |
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Joshua Potter
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3fbeb6435b
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Enderton (set). Empty prompts around first few chapter 6 theorems.
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2023-08-13 09:03:51 -06:00 |
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Joshua Potter
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a4cecbffd8
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Enderton (set). Chapter 4 exercises.
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2023-08-12 13:53:51 -06:00 |
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Joshua Potter
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21a3e78106
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Enderton (set). Continue refining ordering theorems/exercises.
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2023-08-11 18:58:36 -06:00 |
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Joshua Potter
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656530fed9
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Enderton (set). Theorem 4N, Corollary 4P.
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2023-08-11 08:17:30 -06:00 |
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Joshua Potter
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aae9eac4d0
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Enderton. Part of ordering theorems/exercises.
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2023-08-11 07:00:57 -06:00 |
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Joshua Potter
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ca58d67d8e
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Enderton. Well-ordering principle and reorder notes below links.
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2023-08-10 12:06:20 -06:00 |
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Joshua Potter
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1c988dc9e9
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Update mathlib4 links to Lean's hosted index instead.
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2023-08-10 11:31:14 -06:00 |
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Joshua Potter
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1a515ca3f5
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Use tcolorbox for notes instead.
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2023-08-10 11:16:47 -06:00 |
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Joshua Potter
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c4538e3e94
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Organize custom proofs over Lean proofs.
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2023-08-09 15:56:44 -06:00 |
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Joshua Potter
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83699dd58e
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Enderton. Continue actually verifying set theorems.
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2023-08-09 15:44:40 -06:00 |
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Joshua Potter
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1eff704803
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Start fixing up unverified.
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2023-08-09 12:59:23 -06:00 |
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Joshua Potter
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e08e68bbc3
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Enderton. Fix lemma 3B header.
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2023-08-09 10:10:11 -06:00 |
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Joshua Potter
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d89200fd9d
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Simplify lean link formatting.
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2023-08-09 10:07:18 -06:00 |
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Joshua Potter
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e8aa984b98
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Add icon to distinguish Lean definitions from custom ones.
Update to pending any proofs that were using already defined Lean
proofs.
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2023-08-08 20:50:31 -06:00 |
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Joshua Potter
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51e415a87f
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Apostol. Update coloring of definitions in the reference section.
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2023-08-08 17:32:32 -06:00 |
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Joshua Potter
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ec53cdd710
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Update proofs to pending if there is no custom proof set.
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2023-08-08 17:30:29 -06:00 |
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Joshua Potter
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b91ee81261
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Enderton (logic). Fix up exercise numbering.
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2023-08-08 14:52:52 -06:00 |
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Joshua Potter
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8f15ec7d6d
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Enderton (logic). Draft up chapter 0 and chapter 1 theorems/exercises.
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2023-08-08 14:50:48 -06:00 |
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Joshua Potter
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f40e1fddaa
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Enderton. Corollary 4P.
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2023-08-08 08:56:13 -06:00 |