Commit Graph

113 Commits

Author SHA1 Message Date
Frederik Hanghøj Iversen d1981ec0fa Update CHANGELOG and remove --allow-unsolved-metas pragma 2018-05-08 18:35:22 +02:00
Frederik Hanghøj Iversen 32e7290fe9 Prove missing link for univalence via new branch of `cubical` 2018-05-08 18:01:34 +02:00
Frederik Hanghøj Iversen 4e7506f06a Decrease line-width 2018-05-08 14:50:45 +02:00
Frederik Hanghøj Iversen 29c4c4a3b9 Equality principle for isomorphisms 2018-05-07 10:12:11 +02:00
Frederik Hanghøj Iversen 4b9fe0f5bb Merge remote-tracking branch 'Saizan/dev' into dev 2018-05-01 19:00:04 +02:00
Frederik Hanghøj Iversen 45eafe683f Simplify 2018-04-26 10:20:57 +02:00
Frederik Hanghøj Iversen aa52bc8f07 Move lemmas about equivalences to that module 2018-04-23 17:04:27 +02:00
Frederik Hanghøj Iversen 313c7593d1 Distinguish isomorphism of categories and of types 2018-04-19 12:23:12 +02:00
Andrea Vezzosi 92fb53098a Implemented ntypeCumulative 2018-04-15 13:49:46 +02:00
Frederik Hanghøj Iversen 98b90f2370 Clean-up names a bit 2018-04-13 15:35:56 +02:00
Frederik Hanghøj Iversen 7b45b5cdc3 Show that objects are groupoids 2018-04-13 15:22:13 +02:00
Frederik Hanghøj Iversen e25ef31907 Construct the morphism for equivalence 2
I must still show that they are inverses.
2018-04-13 13:24:17 +02:00
Frederik Hanghøj Iversen 0ced448fa6 Progress on univalence 2018-04-13 09:40:09 +02:00
Frederik Hanghøj Iversen 7fcd8e631a Modified verion of 9.1.9 2018-04-12 11:21:05 +02:00
Frederik Hanghøj Iversen 7eac677efb Prove 9.1.9 2018-04-12 10:05:02 +02:00
Frederik Hanghøj Iversen 1c963db7e6 Make AreInveres an alias for \Sigma 2018-04-11 13:53:33 +02:00
Frederik Hanghøj Iversen e6a2e3a0f0 Reduce applications of symmetry 2018-04-11 13:18:34 +02:00
Frederik Hanghøj Iversen 4ff8f155ab [QED] Get equivalence from 3rd formulation 2018-04-11 12:46:22 +02:00
Frederik Hanghøj Iversen c23c2716a5 Move lemma to equivalence-module 2018-04-11 12:27:33 +02:00
Frederik Hanghøj Iversen db5fb3603a Banish qualified import of Function - use \o for fun-comp! 2018-04-11 11:12:09 +02:00
Frederik Hanghøj Iversen c90b064bb0 Rename \o to <<< 2018-04-11 10:58:50 +02:00
Frederik Hanghøj Iversen 6d59a8f79e Add note about proving 9.1.9 2018-04-10 17:33:22 +02:00
Frederik Hanghøj Iversen 772e6778f3 [WIP] Univalence in ad-hoc category in product 2018-04-10 17:17:04 +02:00
Frederik Hanghøj Iversen fd18985e53 Export TypeIsomorphism as an alias for Equivalence.Isomorphism 2018-04-09 18:10:39 +02:00
Frederik Hanghøj Iversen 04144db606 Simplifications and renaming 2018-04-09 18:02:39 +02:00
Frederik Hanghøj Iversen 735b25de23 Simplify proof and move propUnivalent to a more general setting 2018-04-09 16:03:43 +02:00
Frederik Hanghøj Iversen 69689e7b2a Use a single version of \simeq 2018-04-06 18:27:24 +02:00
Frederik Hanghøj Iversen 36d92c7ceb Make the category an index of PreCategory 2018-04-06 17:09:15 +02:00
Frederik Hanghøj Iversen 23b562a873 Provide preorder instance for some things - more work on product cat 2018-04-06 16:54:00 +02:00
Frederik Hanghøj Iversen bbe9460647 Provide composition of isEquiv's 2018-04-05 20:41:14 +02:00
Frederik Hanghøj Iversen be56027c37 Remove bad lemma for showing univalence 2018-04-05 15:23:50 +02:00
Frederik Hanghøj Iversen e69ace21a0 Rename id-to-iso to idToIso 2018-04-05 15:21:54 +02:00
Frederik Hanghøj Iversen b5f89322ac Add notion of strict category 2018-04-05 15:13:59 +02:00
Frederik Hanghøj Iversen 6c5b68a8ac Add notion of pre-category 2018-04-05 14:39:54 +02:00
Frederik Hanghøj Iversen 8276deb4aa Rename proj. to fst and snd 2018-04-05 10:41:56 +02:00
Frederik Hanghøj Iversen d78965d73f Try to use lemma for proving univalence of product-category thing 2018-04-04 17:45:36 +02:00
Frederik Hanghøj Iversen 84f88ac2ae Change what is needed 2018-04-04 12:01:29 +02:00
Frederik Hanghøj Iversen f66d180ec3 [WIP] Stronger lemma for univalence 2018-04-04 11:27:03 +02:00
Frederik Hanghøj Iversen 172287f0a7 [QED] The ad-hoc product category has hom-sets that are h-sets 2018-04-03 15:23:11 +02:00
Frederik Hanghøj Iversen 1c6d9ad2b5 Rename identity in category to ascii-name 2018-04-03 11:36:09 +02:00
Frederik Hanghøj Iversen ffedb83210 Initial objects are also propositional 2018-03-29 14:31:58 +02:00
Frederik Hanghøj Iversen 52ac9b4b78 Terminal objects are propositional 2018-03-29 14:26:47 +02:00
Andrea Vezzosi 8ac6b97213 isProp (Product C A B) setup 2018-03-29 00:07:49 +02:00
Frederik Hanghøj Iversen b7a80d0b86 Proof: Being an initial- terminal- object is a mere proposition
Also tries to use this to prove that being a product is a mere
proposition
2018-03-27 12:20:24 +02:00
Frederik Hanghøj Iversen 9898685491 Prove that the opposite category is a category 2018-03-26 14:11:15 +02:00
Frederik Hanghøj Iversen c8c61a8d03 Half-time report 2018-03-23 11:11:44 +01:00
Frederik Hanghøj Iversen ac01b786a7 Cleanup 2018-03-22 14:27:16 +01:00
Frederik Hanghøj Iversen 181edc0cd5 Prove step 3 in proof of unvivalence for hSet without `ua` 2018-03-21 17:52:32 +01:00
Frederik Hanghøj Iversen 183906dc8c Define and use custom prelude 2018-03-21 14:39:56 +01:00
Frederik Hanghøj Iversen e98ed89db5 Make propositionality a submodule of the actual proposition 2018-03-21 12:21:47 +01:00