(LTREE-SORT-IS-ISORT
 (219 2 (:DEFINITION MERGE-LT))
 (141 4 (:DEFINITION MAKE-LT))
 (130 1 (:DEFINITION LTREE-TO-LIST))
 (122 1 (:DEFINITION DELETE-MIN-LT))
 (112 1 (:DEFINITION BUILD-LT))
 (109 1 (:DEFINITION INSERT-LT))
 (73 73 (:TYPE-PRESCRIPTION MERGE-LT))
 (50 2 (:DEFINITION HOW-MANY))
 (46 6 (:REWRITE NOT-MEMB-IMPLIES-HOW-MANY-IS-0))
 (44 14 (:DEFINITION RANK-LT))
 (43 43 (:REWRITE DEFAULT-CDR))
 (40 9 (:REWRITE DEFAULT-+-2))
 (39 39 (:REWRITE DEFAULT-CAR))
 (37 14 (:REWRITE RATIONALP-IMPLIES-ACL2-NUMBERP))
 (32 4 (:REWRITE DEFAULT-<-2))
 (31 9 (:DEFINITION ROOT-LT))
 (30 5 (:DEFINITION MEMB))
 (25 5 (:DEFINITION RIGHT-LT))
 (21 5 (:DEFINITION LEFT-LT))
 (9 9 (:REWRITE DEFAULT-+-1))
 (8 6 (:DEFINITION IS-EMPTY-LT))
 (7 4 (:REWRITE DEFAULT-<-1))
 (6 6 (:REWRITE CDR-CONS))
 (5 5 (:TYPE-PRESCRIPTION BUILD-LT))
 (5 1 (:DEFINITION FIND-MIN-LT))
 (2 2 (:TYPE-PRESCRIPTION LEXORDER))
 (2 2 (:REWRITE LEXORDER-TRANSITIVE))
 (2 2 (:REWRITE CAR-CONS))
 )
