Auto_tac: now uses enhanced version of asm_full_simp_tac,
Force_tac: replaced fast_tac by best_tac
(* Title: HOL/RelPow.thy ID: $Id$ Author: Tobias Nipkow Copyright 1996 TU MuenchenR^n = R O ... O R, the n-fold composition of R*)RelPow = Nat +primrec "op ^" nat "R^0 = id" "R^(Suc n) = R O (R^n)"end