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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 3651 reueq 3703 ss0b 4361 eusv1 5367 eusv2nf 5371 eusv2 5372 dfid2 5563 opthprc 5730 sosn 5753 fdmrn 6744 f1cnvcnv 6792 fores 6809 f1orn 6838 funfv 6975 dfoprab2 7481 elxp7 8030 tpostpos 8251 frrlem11 8302 canthwe 10654 opelreal 11133 elreal2 11135 eqresr 11140 elnn1uz2 12967 faclbnd4lem1 14349 isprm2 16765 joindm 18454 meetdm 18468 symgbas0 19490 toptopon 23111 ist1-3 23543 perfcls 23559 prdsxmetlem 24562 eln0s 28591 rusgrprc 29977 hhsssh2 31659 choc0 31715 chocnul 31717 shlesb1i 31775 adjeu 32278 isarchi 33533 vonf1osev 35620 derang0 35682 dfon3 36403 brtxpsd 36405 topmeet 36916 filnetlem2 36931 filnetlem3 36932 bj-rabtrALT 37608 bj-snsetex 37640 bj-dfid2ALT 37742 relowlpssretop 38051 poimirlem28 38340 fdc 38437 0totbnd 38465 heiborlem3 38505 cossssid 39247 cnvrefrelcoss2 39307 dfdisjALTV 39488 dfeldisj2 39500 dfeldisj3 39501 dfeldisj4 39502 disjqmap2 39516 disjres 39534 disjxrn 39536 dfantisymrel4 39554 dfantisymrel5 39555 antisymrelres 39556 ifpid3g 44259 elintima 44420 brpermmodel 45753 0funcALT 49907 |
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