14 Apr 2005
CS 3243 - Revision
29
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