diff -r 9e23faed6c97 -r 3208b614dc71 src/ZF/Cardinal.ML --- a/src/ZF/Cardinal.ML Wed May 22 17:25:40 2002 +0200 +++ b/src/ZF/Cardinal.ML Wed May 22 17:26:34 2002 +0200 @@ -472,7 +472,7 @@ qed "succ_lepoll_succD"; Goal "m:nat ==> ALL n: nat. m lepoll n --> m le n"; -by (nat_ind_tac "m" [] 1); (*induct_tac isn't available yet*) +by (etac nat_induct 1); (*induct_tac isn't available yet*) by (blast_tac (claset() addSIs [nat_0_le]) 1); by (rtac ballI 1); by (eres_inst_tac [("n","n")] natE 1);