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doc-src/Tutorial/Misc/NatSum.ML
author
paulson
Fri, 30 Jul 1999 09:37:57 +0200
changeset 7128
468b6c8b8dc4
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
split_diff and remove_diff_ss
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);