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doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Mon, 04 Sep 2000 18:38:53 +0200
changeset 9828 1d8bc4f1833e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
display: avoid empty lines;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
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nipkow
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     1
 
Goal "sum n + sum n = n*(Suc n)";
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nipkow
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     2
 
by(induct_tac "n" 1);
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nipkow
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     3
 
by(Auto_tac);
isabelle