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2018-06-05Proved that the inductor on Sum has the correct type.Josh Chen1-17/+31
2018-06-05Dependent sum done, I think.Josh Chen1-28/+40
2018-06-04Prod_comp should have a type constraint. This also fixes a false proof for ↵Josh Chen1-22/+31
the dependent sum projection functions.
2018-06-01Should be final version of Prod. Theorems proving stuff about currying. ↵Josh Chen1-22/+15
Rules for Sum, going to change them to use object-level arguments more.
2018-05-30New type rules for dependent product and sum.Josh Chen1-12/+29
2018-05-30Fixed dependent product rules, hopefully final now.Josh Chen1-3/+2
2018-05-29More rigorous rules for Product type. Propositions and proofs all working, ↵Josh Chen1-12/+17
but have to think about maybe relaxing the computation rule, or else automating the currying of dependent functions.
2018-05-28Dependent product rules done and proofs of typing properties so far work. ↵Josh Chen1-27/+54
Starting on dependent sums.
2018-05-23pre-system upgrade commitJosh Chen1-35/+40
2018-05-14Added precedences. Need to figure out how to organize metatypes.Josh Chen1-13/+12
2018-05-10Decided to go with no explicit type declarations in object-lambda ↵Josh Chen1-14/+25
expressions. Everything in the proof stuff is working at the moment.