Test proved equations on partial inputs
Partial Nichomachus
Iterate example.
Merge commit '19cd916e86d0d9dde5fbfaeeb336575c757d9671'
Linearise type decl in SMT
Add a little file that tests the Sanity of the type guards (turns out they aren't very sane right now)
Merge branch 'master' into wip
Add the approximation lemma