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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 541 | . 2 ⊢ (𝜒 → (𝜓 ↔ 𝜑)) |
3 | 2 | bicomd 226 | 1 ⊢ (𝜒 → (𝜑 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 |
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 210 df-an 400 |
This theorem is referenced by: pm5.75 1026 cador 1610 reusv1 5263 reusv2lem1 5264 fpwwe2 10054 fzsplit2 12927 saddisjlem 15803 smupval 15827 smueqlem 15829 prmrec 16248 ablnsg 18960 cnprest 21894 flimrest 22588 fclsrest 22629 tsmssubm 22748 setsxms 23086 tcphcph 23841 ellimc2 24480 fsumvma2 25798 chpub 25804 mdbr2 30079 mdsl2i 30105 fzsplit3 30543 posrasymb 30670 trleile 30679 fvineqsneu 34828 cnvcnvintabd 40300 grumnud 40994 |
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