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src/FOL/FOL_lemmas2.ML
author wenzelm
Wed, 20 Oct 1999 12:52:56 +0200
changeset 7889 56e91ac0f074
parent 7355 4c43090659ca
child 9264 051592f4236a
permissions -rw-r--r--
option -m TARGET;
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7355
4c43090659ca proper bootstrap of IFOL/FOL theories and packages;
wenzelm
parents:
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4c43090659ca
proper bootstrap of IFOL/FOL theories and packages;



wenzelm


parents: 

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Goal "!!a b c. [| EX! z. P(a,z);  P(a,b);  P(a,c) |] ==> b = c";













4c43090659ca
proper bootstrap of IFOL/FOL theories and packages;



wenzelm


parents: 

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     3


  by (Blast_tac 1);













4c43090659ca
proper bootstrap of IFOL/FOL theories and packages;



wenzelm


parents: 

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changeset




     4


qed "ex1_functional";















isabelle