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src/FOL/FOL_lemmas2.ML
author
wenzelm
Fri, 04 Aug 2000 22:56:31 +0200
changeset 9528
95852b4be214
parent 9264
051592f4236a
permissions
-rw-r--r--
rev_eq_reflection = meta_eq_to_obj_eq;
Goal "[| EX! z. P(a,z); P(a,b); P(a,c) |] ==> b = c";
by (Blast_tac 1);
qed "ex1_functional";