I feel like I should introduce you to Agda2: http://wiki.portal.chalmers.se/agda/pmwiki.php http://wiki.portal.chalmers.se/agda/pmwiki.php You write something,

I feel like I should introduce you to Agda2: http://wiki.portal.chalmers.se/agda/pmwiki.php http://wiki.portal.chalmers.se/agda/pmwiki.php You write something, Agda2 checks it and says that you forget something, you wrote an inconsistent code or you wrote ambiguous code (it is possible to hide some parts of code).