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doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Sat, 09 Jun 2001 14:18:19 +0200
changeset 11368 9c1995c73383
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned Primes theory;
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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by(Auto_tac);
isabelle