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doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Fri, 28 Sep 2001 19:21:26 +0200
changeset 11629 481148b273b5
parent 5377 efb799c5ed3c
permissions -rw-r--r--
permissive option;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
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nipkow
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Goal "sum n + sum n = n*(Suc n)";
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nipkow
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by(induct_tac "n" 1);
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nipkow
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     3
 
by(Auto_tac);
isabelle