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doc-src/Tutorial/Misc/NatSum.ML
author
ballarin
Tue, 30 Sep 2003 15:10:26 +0200
changeset 14213
7bf882b0a51e
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
Changed order of prems in finprod_cong. Slight speedup.
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);