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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 468 | . 2 ⊢ (𝜑 ↔ (𝜒 ∧ 𝜓)) |
| 4 | 1, 3 | mpbiran 722 | 1 ⊢ (𝜑 ↔ 𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ 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: pm5.62 1036 rabtru 3646 reueq 3698 ss0b 4354 eusv1 5360 eusv2nf 5364 eusv2 5365 dfid2 5556 opthprc 5723 sosn 5746 fdmrn 6738 f1cnvcnv 6786 fores 6803 f1orn 6832 funfv 6969 dfoprab2 7475 elxp7 8025 tpostpos 8248 frrlem11 8299 canthwe 10664 opelreal 11143 elreal2 11145 eqresr 11150 elnn1uz2 12978 faclbnd4lem1 14361 isprm2 16778 joindm 18467 meetdm 18481 symgbas0 19522 toptopon 23148 ist1-3 23580 perfcls 23596 prdsxmetlem 24600 eln0s 28634 rusgrprc 30058 hhsssh2 31759 choc0 31815 chocnul 31817 shlesb1i 31875 adjeu 32378 isarchi 33630 vonf1osev 35717 derang0 35756 dfon3 36477 brtxpsd 36479 topmeet 36991 filnetlem2 37006 filnetlem3 37007 bj-rabtrALT 37683 bj-snsetex 37715 bj-dfid2ALT 37817 relowlpssretop 38126 poimirlem28 38405 fdc 38503 0totbnd 38531 heiborlem3 38571 cossssid 39313 cnvrefrelcoss2 39373 dfdisjALTV 39554 dfeldisj2 39566 dfeldisj3 39567 dfeldisj4 39568 disjqmap2 39582 disjres 39600 disjxrn 39602 dfantisymrel4 39620 dfantisymrel5 39621 antisymrelres 39622 ifpid3g 44340 elintima 44501 brpermmodel 45834 0funcALT 50022 |
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