src/FOL/FOL_lemmas2.ML
author oheimb
Wed, 03 Apr 2002 10:21:13 +0200
changeset 13076 70704dd48bd5
parent 9264 051592f4236a
permissions -rw-r--r--
bugfix concerning claset(), added limited support for ALLGOALS + fast_tac etc.


Goal "[| EX! z. P(a,z);  P(a,b);  P(a,c) |] ==> b = c";
  by (Blast_tac 1);
qed "ex1_functional";