Closed jonnybest closed 12 years ago
(forall ((this Atom)) (=> (in_1 this FSO) (or (in_1 this File) (in_1 this Dir))))
"in" does not have an axiom. it's uninterpreted
(forall ((this Atom)) (=> (in_1 this FSO) (or (in_1 this File) (in_1 this Dir))))