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* Added attributes to type elimination rules, not sure if these will actually ↵Josh Chen2018-07-061-3/+7
| | | | be needed or useful later. Added [comp] attribute to be used by simplification met methods.
* Refactor HoTT_Methods.thy, proved more stuff with new methods.Josh Chen2018-07-031-1/+3
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* Rewrote methods: wellformed now two lines, uses named theorems. New, more ↵Josh Chen2018-07-031-4/+5
| | | | powerful derive method. Used these to rewrite proofs.
* Library organization and formattingJosh Chen2018-06-271-1/+3
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* Fixed wrong definition of snd_dep. Proved projection property of snd_dep. ↵Josh Chen2018-06-181-2/+1
| | | | Added type formation rules expressing necessity of the conditions.
* Removed all [simp] attributes, these will be added later when I set up the ↵Josh Chen2018-06-181-1/+1
| | | | simplifier. Proved simplification rule for dependent fst.
* Proof of projection functions now harder. Should look up automation methods.Josh Chen2018-06-171-1/+1
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* projectionsJosh Chen2018-06-151-27/+13
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* Type rules now have \"all\" premises explicitly stated, matching the ↵Josh Chen2018-06-121-15/+29
| | | | formulation in the HoTT book.
* Reorganize codeJosh Chen2018-06-091-0/+52