conditional derivation proofs PHIL 013AB

By: mcweiner

A nine-minute video about conditional derivation, a new kind of rule. Listen closely for a special appearance from a duck. (Edited to add: the squeaking thing is actually a raccoon)

conditional derivation proofs PHIL 013C

By: mcweiner

A nine-minute video about conditional derivation, a new kind of rule. Listen closely for a special appearance from a squeaky raccoon.