doc-src/Tutorial/Misc/NatSum.ML
author nipkow
Thu, 12 Oct 2000 18:44:35 +0200
changeset 10213 01c2744a3786
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);