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Mirrors > Home > ILE Home > Th. List > 3anbi3d | Unicode version |
Description: Deduction adding conjuncts to an equivalence. (Contributed by NM, 8-Sep-2006.) |
Ref | Expression |
---|---|
3anbi1d.1 |
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Ref | Expression |
---|---|
3anbi3d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biidd 170 |
. 2
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2 | 3anbi1d.1 |
. 2
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3 | 1, 2 | 3anbi13d 1250 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 df-3an 926 |
This theorem is referenced by: ceqsex3v 2661 ceqsex4v 2662 ceqsex8v 2664 vtocl3gaf 2688 mob 2797 ordsoexmid 4378 tfr1onlemaccex 6113 tfrcllemaccex 6126 fseq1m1p1 9509 isummo 10773 fisum 10778 divalglemnn 11196 divalglemeunn 11199 divalglemex 11200 divalglemeuneg 11201 |
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