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Mirrors > Home > MPE Home > Th. List > rbaibr | Structured version Visualization version Unicode version |
Description: Move conjunction outside of biconditional. (Contributed by Mario Carneiro, 11-Sep-2015.) (Proof shortened by Wolf Lammen, 19-Jan-2020.) |
Ref | Expression |
---|---|
baib.1 |
Ref | Expression |
---|---|
rbaibr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iba 524 | . 2 | |
2 | baib.1 | . 2 | |
3 | 1, 2 | syl6bbr 278 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-an 386 |
This theorem is referenced by: rbaib 947 exintrbi 1818 sssseq 3621 ssunsn2 4359 cmpfi 21211 sdrgacs 37771 nanorxor 38504 |
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