remove extraneous case from divn (thanks Ethan!)
Merge branch 'master' of https://github.com/katherineye/software-foundations
add material to presentation, add todos to peano.hs, start binary numbers again. increment func next
add presentation PDF
add attempts at defining a binary number inductive type. inc (SuccTw n') = ?
add mod and attempt at divmod to peano.hs; add progress on binary to Basics.v (on the right track maybe?)
add more progress on binary; formalize in haskell in bin.hs; stumble on the right constructor interpretation while writing bin -> dec; everything works great thereafter (inc has no more mutual recursion and constructors map directly to binary
credit for yesterday's double commit. add trinary?
add increment and binToNat functions and some test cases (add more, but I'm pretty sure it's correct
add function to test getting around Coq's restriction. backdated
rm .DS_Store
Merge branch 'master' of https://github.com/katherineye/software-foundations