doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Sun, 07 Jan 2001 22:39:28 +0100
changeset 10823 88cb1547d952
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated;

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