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| Mirrors > Home > MPE Home > Th. List > mpbiran2 | Structured version Visualization version GIF version | ||
| Description: Detach truth from conjunction in biconditional. (Contributed by NM, 22-Feb-1996.) |
| Ref | Expression |
|---|---|
| mpbiran2.1 | ⊢ 𝜒 |
| mpbiran2.2 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
| Ref | Expression |
|---|---|
| mpbiran2 | ⊢ (𝜑 ↔ 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpbiran2.1 | . 2 ⊢ 𝜒 | |
| 2 | mpbiran2.2 | . . 3 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) | |
| 3 | 2 | biancomi 467 | . 2 ⊢ (𝜑 ↔ (𝜒 ∧ 𝜓)) |
| 4 | 1, 3 | mpbiran 721 | 1 ⊢ (𝜑 ↔ 𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ wa 400 |
| 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 401 |
| This theorem is used by: pm5.62 1035 rabtru 3647 reueq 3699 ss0b 4357 eusv1 5361 eusv2nf 5365 eusv2 5366 dfid2 5557 opthprc 5724 sosn 5747 fdmrn 6737 f1cnvcnv 6785 fores 6802 f1orn 6831 funfv 6968 dfoprab2 7470 elxp7 8019 tpostpos 8240 frrlem11 8291 canthwe 10642 opelreal 11121 elreal2 11123 eqresr 11128 elnn1uz2 12955 faclbnd4lem1 14336 isprm2 16746 joindm 18435 meetdm 18449 symgbas0 19465 toptopon 23085 ist1-3 23517 perfcls 23533 prdsxmetlem 24536 eln0s 28565 rusgrprc 29951 hhsssh2 31633 choc0 31689 chocnul 31691 shlesb1i 31749 adjeu 32252 isarchi 33511 vonf1osev 35604 derang0 35669 dfon3 36390 brtxpsd 36392 topmeet 36903 filnetlem2 36918 filnetlem3 36919 bj-rabtrALT 37595 bj-snsetex 37627 bj-dfid2ALT 37729 relowlpssretop 38038 poimirlem28 38327 fdc 38424 0totbnd 38452 heiborlem3 38492 cossssid 39234 cnvrefrelcoss2 39294 dfdisjALTV 39475 dfeldisj2 39487 dfeldisj3 39488 dfeldisj4 39489 disjqmap2 39503 disjres 39521 disjxrn 39523 dfantisymrel4 39541 dfantisymrel5 39542 antisymrelres 39543 ifpid3g 44246 elintima 44407 brpermmodel 45740 0funcALT 49894 |
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