doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Thu, 24 Jan 2002 22:41:44 +0100
changeset 12846 0fce95478e19
parent 5377 efb799c5ed3c
permissions -rw-r--r--
copy_styles replaces overly conservative update_styles;

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