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Mirrors > Home > MPE Home > Th. List > rbaib | Structured version Visualization version GIF 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 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
Ref | Expression |
---|---|
rbaib | ⊢ (𝜒 → (𝜑 ↔ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | baib.1 | . . 3 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) | |
2 | 1 | rbaibr 540 | . 2 ⊢ (𝜒 → (𝜓 ↔ 𝜑)) |
3 | 2 | bicomd 225 | 1 ⊢ (𝜒 → (𝜑 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 |
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 209 df-an 399 |
This theorem is referenced by: pm5.75 1025 cador 1609 reusv1 5298 reusv2lem1 5299 fpwwe2 10065 fzsplit2 12933 saddisjlem 15813 smupval 15837 smueqlem 15839 prmrec 16258 ablnsg 18967 cnprest 21897 flimrest 22591 fclsrest 22632 tsmssubm 22751 setsxms 23089 tcphcph 23840 ellimc2 24475 fsumvma2 25790 chpub 25796 mdbr2 30073 mdsl2i 30099 fzsplit3 30517 posrasymb 30644 trleile 30653 fvineqsneu 34695 cnvcnvintabd 39980 grumnud 40642 |
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