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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 |
Ref | Expression |
---|---|
3anbi3d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biidd 171 | . 2 | |
2 | 3anbi1d.1 | . 2 | |
3 | 1, 2 | 3anbi13d 1277 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 w3a 947 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-3an 949 |
This theorem is referenced by: ceqsex3v 2702 ceqsex4v 2703 ceqsex8v 2705 vtocl3gaf 2729 mob 2839 ordsoexmid 4447 tfr1onlemaccex 6213 tfrcllemaccex 6226 fseq1m1p1 9843 summodc 11120 fsum3 11124 divalglemnn 11542 divalglemeunn 11545 divalglemex 11546 divalglemeuneg 11547 |
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