doc-src/Tutorial/Misc/NatSum.ML
author nipkow
Thu, 10 May 2001 17:28:40 +0200
changeset 11295 66925f23ac7f
parent 5377 efb799c5ed3c
permissions -rw-r--r--
improved tracing of permutative rules.

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