doc-src/Tutorial/Misc/NatSum.ML
author ballarin
Fri, 16 Apr 2004 12:07:01 +0200
changeset 14587 3966c5c6035d
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Zur Freude von Sebastian Skalberg!
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Goal "sum n + sum n = n*(Suc n)";
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by(induct_tac "n" 1);
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by(Auto_tac);