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2018-06-30Add Pair_introJosh Chen1-0/+7
2018-06-27Move projection function definitions out of Sum.thyJosh Chen1-170/+1
2018-06-18Dependent projection properties done.Josh Chen1-27/+58
2018-06-18Fixed wrong definition of snd_dep. Proved projection property of snd_dep. ↵Josh Chen1-16/+81
Added type formation rules expressing necessity of the conditions.
2018-06-18Removed all [simp] attributes, these will be added later when I set up the ↵Josh Chen1-18/+31
simplifier. Proved simplification rule for dependent fst.
2018-06-17Proof of projection functions now harder. Should look up automation methods.Josh Chen1-8/+14
2018-06-17Eliminators must be completely parametrized at the meta-level.Josh Chen1-14/+5
2018-06-15projectionsJosh Chen1-13/+28
2018-06-12Type rules now have \"all\" premises explicitly stated, matching the ↵Josh Chen1-31/+62
formulation in the HoTT book.
2018-06-09Reorganize codeJosh Chen1-0/+78