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doc-src/Tutorial/Misc/NatSum.ML
author paulson
Wed, 22 Oct 2003 10:52:36 +0200
changeset 14244 f58598341d30
parent 5377 efb799c5ed3c
permissions -rw-r--r--
InductiveInvariant_examples illustrates advanced recursive function definitions
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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);
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