(FACTORIAL)
(FACTORIAL-POSITIVE-INTEGER)
(FACTORIAL-NON-NEGATIVE)
(ABS-FACTORIAL
 (14 2 (:DEFINITION FACTORIAL))
 (4 2 (:REWRITE DEFAULT-*-2))
 (2 2 (:REWRITE ZP-OPEN))
 (2 2 (:REWRITE DEFAULT-+-2))
 (2 2 (:REWRITE DEFAULT-+-1))
 (2 2 (:REWRITE DEFAULT-*-1))
 (2 1 (:REWRITE DEFAULT-<-1))
 (1 1 (:REWRITE DEFAULT-<-2))
 )
