doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Fri, 02 Feb 2001 22:17:31 +0100
changeset 11031 99c4bed16b9b
parent 5377 efb799c5ed3c
permissions -rw-r--r--
isatool convert;

Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);