doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Mon, 10 May 1999 15:17:14 +0200
changeset 6619 010dfaf75064
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed URLs;

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