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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 542 | . 2 ⊢ (𝜑 → (𝜃 ↔ (𝜒 ∧ 𝜃))) |
| 4 | 1, 3 | bitr4d 285 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 |
| This theorem is used by: mpbiran2d 721 3anibar 1348 rmob2 3840 opbrop 5749 fvdifsupp 8172 wemapso2lem 9530 uzin 12982 supxrre1 13441 ixxun 13473 uzsplit 13710 pfxsuffeqwrdeq 14827 ello12 15663 elo12 15674 fsumss 15871 fprodss 16095 ramval 17166 issect2 17909 ellspsn5b 21250 cnprest 23587 cnprest2 23588 cnt0 23644 1stccn 23762 kgencn 23855 qtopcn 24013 fbflim 24275 isflf 24292 cnflf 24301 fclscf 24324 cnfcf 24341 elbl2ps 24688 elbl2 24689 metcn 24842 txmetcn 24847 iscvs 25428 lmclimf 25605 ovolfioo 25768 ovolficc 25769 ovoliun 25806 ismbl2 25828 mbfmulc2lem 25948 mbfmax 25950 mbfposr 25953 mbfaddlem 25961 mbfsup 25965 mbfi1fseqlem4 26019 itg2monolem1 26051 itg2cnlem1 26062 tgellng 28998 isleag 29348 ttgelitv 29442 isspthonpth 30317 clwlkclwwlkflem 30577 clwwlkwwlksb 30627 suppgsumssiun 33615 isfxp 33711 lindflbs 33916 ply1degleel 34109 selvply1rhmlem2 34135 algextdeglem7 34337 ismntoplly 34639 esum2dlem 34706 ntrclselnel1 45016 ntrneicls00 45048 vonvolmbl 47615 dfdfat2 48142 crngprmringidom 49382 ipolubdm 50039 ipoglbdm 50042 isup 50232 functhinc 50500 |
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