# HG changeset patch # User wenzelm # Date 1003185053 -7200 # Node ID da81334357bae62e06b3a7606da092ecdd50e7c2 # Parent 60054fee3c16b9f692add2730eacd38d3c3e9612 tuned; diff -r 60054fee3c16 -r da81334357ba src/FOL/ex/Natural_Numbers.thy --- a/src/FOL/ex/Natural_Numbers.thy Mon Oct 15 21:04:46 2001 +0200 +++ b/src/FOL/ex/Natural_Numbers.thy Tue Oct 16 00:30:53 2001 +0200 @@ -17,7 +17,7 @@ rec :: "[nat, 'a, [nat, 'a] => 'a] => 'a" axioms - induct [case_names Zero Suc, induct type: nat]: + induct [case_names 0 Suc, induct type: nat]: "P(0) ==> (!!x. P(x) ==> P(Suc(x))) ==> P(n)" Suc_inject: "Suc(m) = Suc(n) ==> m = n" Suc_neq_0: "Suc(m) = 0 ==> R"