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doc-src/Tutorial/Misc/NatSum.ML
author
paulson
Tue, 16 May 2000 14:04:29 +0200
changeset 8876
f797816932d7
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
reverted to old proof of dominoes_tile_row, given new treatment of #2+...
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);