doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Thu, 27 Sep 2001 22:25:12 +0200
changeset 11607 c7e1db87b98a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
unsymbolize;

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