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src/FOL/FOL_lemmas2.ML
author
wenzelm
Thu, 15 Feb 2001 17:18:54 +0100
changeset 11145
3e47692e3a3e
parent 9264
051592f4236a
permissions
-rw-r--r--
eliminate get_def;
Goal "[| EX! z. P(a,z); P(a,b); P(a,c) |] ==> b = c";
by (Blast_tac 1);
qed "ex1_functional";