src/HOL/RelPow.ML
changeset 2056 93c093620c28
parent 2031 03a843f0f447
child 2741 2b7f72cbe51f
--- a/src/HOL/RelPow.ML	Mon Oct 07 10:26:00 1996 +0200
+++ b/src/HOL/RelPow.ML	Mon Oct 07 10:28:44 1996 +0200
@@ -26,7 +26,6 @@
 goal RelPow.thy "!z. (x,y) : R --> (y,z):R^n -->  (x,z):R^(Suc n)";
 by (nat_ind_tac "n" 1);
 by (simp_tac (!simpset addsimps [rel_pow_Suc]) 1);
-by (Fast_tac 1);
 by (asm_full_simp_tac (!simpset addsimps [rel_pow_Suc]) 1);
 by (Fast_tac 1);
 qed_spec_mp "rel_pow_Suc_I2";