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Mirrors > Home > ILE Home > Th. List > 3anidm12 | Unicode version |
Description: Inference from idempotent law for conjunction. (Contributed by NM, 7-Mar-2008.) |
Ref | Expression |
---|---|
3anidm12.1 |
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Ref | Expression |
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3anidm12 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3anidm12.1 |
. . 3
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2 | 1 | 3expib 1208 |
. 2
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3 | 2 | anabsi5 579 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
This theorem depends on definitions: df-bi 117 df-3an 982 |
This theorem is referenced by: 3anidm13 1307 syl2an3an 1309 fovcl 5997 prarloclemarch2 7436 nq02m 7482 recexprlem1ssl 7650 recexprlem1ssu 7651 nncan 8204 dividap 8676 modqid0 10368 sqdividap 10603 subsq 10645 retanclap 11748 tannegap 11754 gcd0id 11998 coprm 12162 |
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