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doc-src/Tutorial/Misc/NatSum.ML
author
paulson
Mon, 28 Feb 2000 10:48:39 +0100
changeset 8309
a054d5c98b21
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
more bijection theorems
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);