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2019-02-18Partway through associativity proof. Lots to work on to make this more usable.Josh Chen1-28/+58
2019-02-17Dependent elimator for Eq now has the correct form. Cleaned up theoremsJosh Chen1-20/+104
2019-02-17Method "quantify" converts product inhabitation into Pure universal ↵Josh Chen1-21/+74
statements. Also misc. cleanups.
2018-09-19Not sure what advantage is provided by having eta-expanded forms in the ↵Josh Chen1-2/+2
rules. Removing for now.
2018-09-18Overhaul of the theory presentations. New methods in HoTT_Methods.thy for ↵Josh Chen1-0/+1
handling universes. Commit for release 0.1.0!
2018-09-18Theories fully reorganized. Well-formedness rules removed. New methods etc.Josh Chen1-5/+5
2018-09-17Clean up Equal.thy + some other tweaksJosh Chen1-37/+22
2018-09-11Go back to higher-order application notationJosh Chen1-11/+11
2018-08-18Reorganize methodsJosh Chen1-1/+1
2018-08-18Regrouping type rulesJosh Chen1-15/+13
2018-08-18Fixed mistake in Equal_elim and proof of rpathcomp_compJosh Chen1-1/+1
2018-08-16Prod.thy now has the correct definitional equality structure rule. ↵Josh Chen1-1/+1
Definition of function composition and properties.
2018-08-16Prod.thy now has the correct definitional equality structure rule. ↵Josh Chen1-1/+1
Definition of function composition and properties.
2018-08-14Well-formation rules are back in the methods; new theory synthesizing the ↵Josh Chen1-3/+7
natural number predecessor function.
2018-08-13rcompose doneJosh Chen1-6/+6
2018-08-12Commit before testing polymorphic equality eliminatorJosh Chen1-10/+10
2018-08-07Old application syntax incompatible with EisbachJosh Chen1-17/+17
2018-08-04Reorganize theoriesJosh Chen1-13/+16
2018-07-11Universes implemented. Type rules modified accordingly. No more automatic ↵Josh Chen1-8/+8
derivation of "A:U" from "a:A".
2018-07-07Library snapshot. Methods written, everything nicely organized.Josh Chen1-0/+1
2018-07-06Remove extra attributes for elimination rules, unneeded for now.Josh Chen1-2/+1
2018-07-06Added attributes to type elimination rules, not sure if these will actually ↵Josh Chen1-0/+2
be needed or useful later. Added [comp] attribute to be used by simplification met methods.
2018-07-03Refactor HoTT_Methods.thy, proved more stuff with new methods.Josh Chen1-1/+1
2018-06-30Fix precedence of =Josh Chen1-1/+1
2018-06-30EqualityJosh Chen1-54/+29
2018-06-27Library organization and formattingJosh Chen1-1/+0
2018-06-12Type rules now have \"all\" premises explicitly stated, matching the ↵Josh Chen1-75/+79
formulation in the HoTT book.
2018-06-09Reorganize codeJosh Chen1-0/+81
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