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* Unit and Null types. Methods.Josh Chen2018-07-125-19/+73
* Universes implemented. Type rules modified accordingly. No more automatic der...Josh Chen2018-07-117-70/+63
* Alternative implementation of universes using meta-level numerals.Josh Chen2018-07-111-32/+43
* Pre-universe implementation commitJosh Chen2018-07-096-70/+104
* Library snapshot. Methods written, everything nicely organized.Josh Chen2018-07-077-20/+45
* Methods added and organized!Josh Chen2018-07-071-47/+40
* Remove extra attributes for elimination rules, unneeded for now.Josh Chen2018-07-063-5/+2
* Added attributes to type elimination rules, not sure if these will actually b...Josh Chen2018-07-067-29/+110
* Trivial changesJosh Chen2018-07-042-7/+8
* Refactor HoTT_Methods.thy, proved more stuff with new methods.Josh Chen2018-07-039-205/+133
* Rewrote methods: wellformed now two lines, uses named theorems. New, more pow...Josh Chen2018-07-036-121/+117
* Proving path composition. Need to set up the Simplifier to simplify applicati...Josh Chen2018-06-302-10/+29
* Fix precedence of =Josh Chen2018-06-301-1/+1
* EqualityJosh Chen2018-06-303-56/+131
* Finished proofs of projectionsJosh Chen2018-06-302-21/+77
* Add Pair_introJosh Chen2018-06-301-0/+7
* Proving theorems in Proj.thy in a simpler way with wellformedJosh Chen2018-06-281-40/+23
* wellformed method works!!!Josh Chen2018-06-281-6/+6
* wellformed method to automatically prove wellformed judgments derivable from ...Josh Chen2018-06-271-0/+76
* Move projection function definitions out of Sum.thyJosh Chen2018-06-272-170/+197
* Library organization and formattingJosh Chen2018-06-274-9/+10
* Dependent projection properties done.Josh Chen2018-06-181-27/+58
* Fixed wrong definition of snd_dep. Proved projection property of snd_dep. Add...Josh Chen2018-06-183-23/+95
* Removed all [simp] attributes, these will be added later when I set up the si...Josh Chen2018-06-183-31/+51
* Proof of projection functions now harder. Should look up automation methods.Josh Chen2018-06-172-9/+15
* Eliminators must be completely parametrized at the meta-level.Josh Chen2018-06-171-14/+5
* Decided on a new proper scheme for type rules using the idea of implicit well...Josh Chen2018-06-173-24/+45
* projectionsJosh Chen2018-06-153-40/+44
* Type rules now have \"all\" premises explicitly stated, matching the formulat...Josh Chen2018-06-126-135/+215
* Reorganize codeJosh Chen2018-06-096-257/+303
* Symmetry and transitivity done.Josh Chen2018-06-072-3/+27
* But also looser than PairJosh Chen2018-06-071-1/+1
* Nondependent function arrow should bind tighter than the Pi former, but loose...Josh Chen2018-06-072-26/+48
* Code formattingJosh Chen2018-06-052-41/+56
* Proved that the inductor on Sum has the correct type.Josh Chen2018-06-052-44/+81
* Dependent sum done, I think.Josh Chen2018-06-052-28/+42
* Prod_comp should have a type constraint. This also fixes a false proof for th...Josh Chen2018-06-042-36/+69
* Should be final version of Prod. Theorems proving stuff about currying. Rules...Josh Chen2018-06-012-41/+65
* New type rules for dependent product and sum.Josh Chen2018-05-302-21/+33
* Fixed dependent product rules, hopefully final now.Josh Chen2018-05-302-75/+29
* More rigorous rules for Product type. Propositions and proofs all working, bu...Josh Chen2018-05-292-24/+72
* Dependent product rules done and proofs of typing properties so far work. Sta...Josh Chen2018-05-282-64/+110
* pre-system upgrade commitJosh Chen2018-05-233-93/+108
* Added precedences. Need to figure out how to organize metatypes.Josh Chen2018-05-142-18/+33
* Decided to go with no explicit type declarations in object-lambda expressions...Josh Chen2018-05-102-25/+43
* InitJosh Chen2018-05-033-0/+135
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