doc-src/Tutorial/Misc/NatSum.ML
author nipkow
Wed, 26 Jun 2002 11:07:14 +0200
changeset 13249 4b3de6370184
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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