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| Mirrors > Home > MPE Home > Th. List > mpbirand | Structured version Visualization version GIF version | ||
| Description: Detach truth from conjunction in biconditional. (Contributed by Glauco Siliprandi, 3-Mar-2021.) |
| Ref | Expression |
|---|---|
| mpbirand.1 | ⊢ (𝜑 → 𝜒) |
| mpbirand.2 | ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) |
| Ref | Expression |
|---|---|
| mpbirand | ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpbirand.2 | . 2 ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) | |
| 2 | mpbirand.1 | . . 3 ⊢ (𝜑 → 𝜒) | |
| 3 | 2 | biantrurd 532 | . 2 ⊢ (𝜑 → (𝜃 ↔ (𝜒 ∧ 𝜃))) |
| 4 | 1, 3 | bitr4d 282 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 |
| 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 207 df-an 396 |
| This theorem is referenced by: mpbiran2d 708 3anibar 1330 rmob2 3842 opbrop 5722 fvdifsupp 8113 wemapso2lem 9457 uzin 12787 supxrre1 13245 ixxun 13277 uzsplit 13512 pfxsuffeqwrdeq 14621 ello12 15439 elo12 15450 fsumss 15648 fprodss 15871 ramval 16936 issect2 17678 ellspsn5b 20946 cnprest 23233 cnprest2 23234 cnt0 23290 1stccn 23407 kgencn 23500 qtopcn 23658 fbflim 23920 isflf 23937 cnflf 23946 fclscf 23969 cnfcf 23986 elbl2ps 24333 elbl2 24334 metcn 24487 txmetcn 24492 iscvs 25083 lmclimf 25260 ovolfioo 25424 ovolficc 25425 ovoliun 25462 ismbl2 25484 mbfmulc2lem 25604 mbfmax 25606 mbfposr 25609 mbfaddlem 25617 mbfsup 25621 mbfi1fseqlem4 25675 itg2monolem1 25707 itg2cnlem1 25718 tgellng 28625 isleag 28919 ttgelitv 28955 isspthonpth 29822 clwlkclwwlkflem 30079 clwwlkwwlksb 30129 isfxp 33250 lindflbs 33460 ply1degleel 33676 algextdeglem7 33880 ismntoplly 34182 esum2dlem 34249 ntrclselnel1 44294 ntrneicls00 44326 vonvolmbl 46901 dfdfat2 47370 ipolubdm 49228 ipoglbdm 49231 isup 49421 functhinc 49689 |
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