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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 541 | . 2 ⊢ (𝜑 → (𝜃 ↔ (𝜒 ∧ 𝜃))) |
| 4 | 1, 3 | bitr4d 285 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 |
| 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 401 |
| This theorem is referenced by: mpbiran2d 720 3anibar 1348 rmob2 3847 opbrop 5761 fvdifsupp 8168 wemapso2lem 9515 uzin 12899 supxrre1 13357 ixxun 13389 uzsplit 13626 pfxsuffeqwrdeq 14737 ello12 15569 elo12 15580 fsumss 15778 fprodss 16004 ramval 17069 issect2 17812 ellspsn5b 21097 cnprest 23427 cnprest2 23428 cnt0 23484 1stccn 23601 kgencn 23694 qtopcn 23852 fbflim 24114 isflf 24131 cnflf 24140 fclscf 24163 cnfcf 24180 elbl2ps 24527 elbl2 24528 metcn 24681 txmetcn 24686 iscvs 25267 lmclimf 25444 ovolfioo 25607 ovolficc 25608 ovoliun 25645 ismbl2 25667 mbfmulc2lem 25787 mbfmax 25789 mbfposr 25792 mbfaddlem 25800 mbfsup 25804 mbfi1fseqlem4 25858 itg2monolem1 25890 itg2cnlem1 25901 tgellng 28800 isleag 29142 ttgelitv 29210 isspthonpth 30076 clwlkclwwlkflem 30333 clwwlkwwlksb 30383 suppgsumssiun 33370 isfxp 33466 lindflbs 33670 ply1degleel 33863 selvply1rhmlem2 33889 algextdeglem7 34091 ismntoplly 34393 esum2dlem 34460 ntrclselnel1 44763 ntrneicls00 44795 vonvolmbl 47355 dfdfat2 47842 crngprmringidom 49083 ipolubdm 49742 ipoglbdm 49745 isup 49935 functhinc 50203 |
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