24 Mar 2004
CS 3243 - Revision
30
Inference in FOL
¡Don’t have to propositionalize
lCould lead to infinite sentences functions
¡Use unification instead
lStandardizing apart
lDropping quantifiers
¡Skolem constants and functions
¡Inference is semidecidable
lCan say yes to entailed sentences, but non-entailed sentences will never terminate