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* Prod.thy now has the correct definitional equality structure rule. ↵Josh Chen2018-08-161-1/+1
| | | | Definition of function composition and properties.
* Partway through changing function application syntax style.Josh Chen2018-08-061-1/+3
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* Pre-universe implementation commitJosh Chen2018-07-091-1/+1
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* Library snapshot. Methods written, everything nicely organized.Josh Chen2018-07-071-1/+0
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* Refactor HoTT_Methods.thy, proved more stuff with new methods.Josh Chen2018-07-031-4/+13
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* Library organization and formattingJosh Chen2018-06-271-6/+7
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* Type rules now have \"all\" premises explicitly stated, matching the ↵Josh Chen2018-06-121-0/+15
| | | | formulation in the HoTT book.
* Reorganize codeJosh Chen2018-06-091-248/+0
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* Symmetry and transitivity done.Josh Chen2018-06-071-3/+26
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* But also looser than PairJosh Chen2018-06-071-1/+1
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* Nondependent function arrow should bind tighter than the Pi former, but ↵Josh Chen2018-06-071-21/+43
| | | | looser than equality.
* Code formattingJosh Chen2018-06-051-41/+54
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* Proved that the inductor on Sum has the correct type.Josh Chen2018-06-051-17/+31
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* Dependent sum done, I think.Josh Chen2018-06-051-28/+40
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* Prod_comp should have a type constraint. This also fixes a false proof for ↵Josh Chen2018-06-041-22/+31
| | | | the dependent sum projection functions.
* Should be final version of Prod. Theorems proving stuff about currying. ↵Josh Chen2018-06-011-22/+15
| | | | Rules for Sum, going to change them to use object-level arguments more.
* New type rules for dependent product and sum.Josh Chen2018-05-301-12/+29
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* Fixed dependent product rules, hopefully final now.Josh Chen2018-05-301-3/+2
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* More rigorous rules for Product type. Propositions and proofs all working, ↵Josh Chen2018-05-291-12/+17
| | | | but have to think about maybe relaxing the computation rule, or else automating the currying of dependent functions.
* Dependent product rules done and proofs of typing properties so far work. ↵Josh Chen2018-05-281-27/+54
| | | | Starting on dependent sums.
* pre-system upgrade commitJosh Chen2018-05-231-35/+40
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* Added precedences. Need to figure out how to organize metatypes.Josh Chen2018-05-141-13/+12
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* Decided to go with no explicit type declarations in object-lambda ↵Josh Chen2018-05-101-14/+25
| | | | expressions. Everything in the proof stuff is working at the moment.
* InitJosh Chen2018-05-031-0/+99