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doc-src/Tutorial/Misc/GCD.ML
author wenzelm
Thu, 08 Jul 1999 18:34:59 +0200
changeset 6932 77c14313af51
parent 5377 efb799c5ed3c
permissions -rw-r--r--
propp: 'concl' patterns; assumptions: tactics for non-goal export; use Display.pretty_thm_no_hyps; assm vs. assume vs. presume; tuned type goal; tuned print_goal; relative exports, absolute export_thm rule; transfer_facts; tuned;
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Goal "gcd(m,0) = m";
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by(resolve_tac [trans] 1);
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by(resolve_tac gcd.rules 1);
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by(Simp_tac 1);
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qed "gcd_0";
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Addsimps [gcd_0];
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Goal "!!n. n ~= 0 ==> gcd(m,n) = gcd(n, m mod n)";













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by(resolve_tac [trans] 1);













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by(resolve_tac gcd.rules 1);













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by(Asm_simp_tac 1);













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qed "gcd_not_0";













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Addsimps [gcd_not_0];













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