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doc-src/Tutorial/Misc/NatSum.ML
author
wenzelm
Fri, 21 May 2004 21:14:52 +0200
changeset 14766
c0401da7726d
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
use plain SOME;
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);