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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 1346 rmob2 3848 opbrop 5750 fvdifsupp 8155 wemapso2lem 9502 uzin 12889 supxrre1 13347 ixxun 13379 uzsplit 13615 pfxsuffeqwrdeq 14725 ello12 15557 elo12 15568 fsumss 15766 fprodss 15992 ramval 17058 issect2 17801 ellspsn5b 21085 cnprest 23407 cnprest2 23408 cnt0 23464 1stccn 23581 kgencn 23674 qtopcn 23832 fbflim 24094 isflf 24111 cnflf 24120 fclscf 24143 cnfcf 24160 elbl2ps 24507 elbl2 24508 metcn 24661 txmetcn 24666 iscvs 25247 lmclimf 25424 ovolfioo 25587 ovolficc 25588 ovoliun 25625 ismbl2 25647 mbfmulc2lem 25767 mbfmax 25769 mbfposr 25772 mbfaddlem 25780 mbfsup 25784 mbfi1fseqlem4 25838 itg2monolem1 25870 itg2cnlem1 25881 tgellng 28780 isleag 29099 ttgelitv 29141 isspthonpth 30007 clwlkclwwlkflem 30264 clwwlkwwlksb 30314 suppgsumssiun 33305 isfxp 33401 lindflbs 33608 ply1degleel 33802 selvply1rhmlem2 33828 algextdeglem7 34030 ismntoplly 34332 esum2dlem 34399 ntrclselnel1 44645 ntrneicls00 44677 vonvolmbl 47233 dfdfat2 47720 crngprmringidom 48961 ipolubdm 49616 ipoglbdm 49619 isup 49809 functhinc 50077 |
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