doc-src/Tutorial/Misc/NatSum.ML
author paulson
Tue, 29 Apr 2003 12:36:49 +0200
changeset 13935 4822d9597d1e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tweaks

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