doc-src/Tutorial/Misc/NatSum.ML
author paulson
Sun, 31 Dec 2000 15:12:27 +0100
changeset 10755 0fb476ff855c
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permissions -rw-r--r--
separation of HOL-Hyperreal from HOL-Real
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Goal "sum n + sum n = n*(Suc n)";
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by(induct_tac "n" 1);
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by(Auto_tac);