src/FOL/FOL_lemmas2.ML
author kleing
Mon, 15 Oct 2001 21:04:32 +0200
changeset 11787 85b3735a51e1
parent 9264 051592f4236a
permissions -rw-r--r--
canonical 'cases'/'induct' rules for n-tuples (n=3..7) (really belongs to theory Product_Type, but doesn't work there yet)


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