 Joshua Potter
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c985f9f8a5
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Update `equinumerous` to infix `equin` command.
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2023-09-30 14:29:50 -06:00 |
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Joshua Potter
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edef7e9b58
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Enderton (set). Partially work on finite set exercises.
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2023-09-27 19:32:50 -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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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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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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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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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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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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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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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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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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f40e1fddaa
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Enderton. Corollary 4P.
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2023-08-08 08:56:13 -06:00 |
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Joshua Potter
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f23d925544
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Enderton. Theorem 4N.
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2023-08-08 08:13:39 -06:00 |
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Joshua Potter
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793cfbc8fd
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Enderton. Finish drafting prompts of Natural Numbers section.
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2023-08-05 11:18:53 -06:00 |
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Joshua Potter
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67a7a2c22b
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Enderton. Fix up note on theorem ordering.
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2023-08-05 06:24:24 -06:00 |
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Joshua Potter
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77684120d9
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Enderton. Prove ordering theorems and fix injective successor proof.
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2023-08-04 18:26:15 -06:00 |
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Joshua Potter
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5dfb2f12cf
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Enderton. Finish ordering on natural numbers exercises.
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2023-08-04 09:44:58 -06:00 |
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Joshua Potter
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11d25dd28c
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Enderton. Begin adding theorem statements around ordering.
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2023-08-04 08:54:11 -06:00 |
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Joshua Potter
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03f51f3097
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Enderton. Exponentiation and some arithmetic exercises.
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2023-08-02 13:55:04 -06:00 |
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Joshua Potter
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3faaacccf0
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Enderton. Prove out addition/multiplication properties.
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2023-08-02 13:47:43 -06:00 |
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Joshua Potter
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2d93d8d768
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Enderton. Add various lemmas/begin algebraic proofs.
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2023-08-02 11:02:33 -06:00 |
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Joshua Potter
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e7cd189557
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Enderton. Draft theorems/exercises on arithmetic section.
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2023-08-01 13:17:30 -06:00 |
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Joshua Potter
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8b1da10ef1
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Enderton. Recursion on omega exercises.
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2023-08-01 12:41:51 -06:00 |
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Joshua Potter
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d64bf9b076
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Enderton. Recursion theorem and exercise 4.8.
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2023-07-31 14:15:13 -06:00 |
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Joshua Potter
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526a11a3f6
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Enderton. Draft recursion theorems and exercises.
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2023-07-25 12:46:26 -06:00 |
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Joshua Potter
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1260c493bc
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Enderton. Finish "Peano's Postulates" section.
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2023-07-24 12:19:25 -06:00 |