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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 709 3anibar 1331 rmob2 3844 opbrop 5730 fvdifsupp 8123 wemapso2lem 9469 uzin 12799 supxrre1 13257 ixxun 13289 uzsplit 13524 pfxsuffeqwrdeq 14633 ello12 15451 elo12 15462 fsumss 15660 fprodss 15883 ramval 16948 issect2 17690 ellspsn5b 20958 cnprest 23245 cnprest2 23246 cnt0 23302 1stccn 23419 kgencn 23512 qtopcn 23670 fbflim 23932 isflf 23949 cnflf 23958 fclscf 23981 cnfcf 23998 elbl2ps 24345 elbl2 24346 metcn 24499 txmetcn 24504 iscvs 25095 lmclimf 25272 ovolfioo 25436 ovolficc 25437 ovoliun 25474 ismbl2 25496 mbfmulc2lem 25616 mbfmax 25618 mbfposr 25621 mbfaddlem 25629 mbfsup 25633 mbfi1fseqlem4 25687 itg2monolem1 25719 itg2cnlem1 25730 tgellng 28637 isleag 28931 ttgelitv 28967 isspthonpth 29834 clwlkclwwlkflem 30091 clwwlkwwlksb 30141 suppgsumssiun 33165 isfxp 33261 lindflbs 33471 ply1degleel 33687 algextdeglem7 33900 ismntoplly 34202 esum2dlem 34269 ntrclselnel1 44402 ntrneicls00 44434 vonvolmbl 47008 dfdfat2 47477 ipolubdm 49335 ipoglbdm 49338 isup 49528 functhinc 49796 |
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