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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 3643 reueq 3695 ss0b 4351 eusv1 5353 eusv2nf 5357 eusv2 5358 dfid2 5548 opthprc 5715 sosn 5738 fdmrn 6733 f1cnvcnv 6781 fores 6798 f1orn 6827 funfv 6964 dfoprab2 7470 elxp7 8025 tpostpos 8247 frrlem11 8298 canthwe 10717 opelreal 11196 elreal2 11198 eqresr 11203 elnn1uz2 13033 faclbnd4lem1 14417 isprm2 16837 joindm 18527 meetdm 18541 symgbas0 19583 toptopon 23215 ist1-3 23647 perfcls 23663 prdsxmetlem 24667 eln0s 28729 rusgrprc 30153 hhsssh2 31854 choc0 31910 chocnul 31912 shlesb1i 31970 adjeu 32473 isarchi 33725 vonf1osev 35864 derang0 35903 dfon3 36624 brtxpsd 36626 topmeet 37122 filnetlem2 37137 filnetlem3 37138 bj-rabtrALT 37814 bj-snsetex 37846 bj-dfid2ALT 37948 relowlpssretop 38255 poimirlem28 38534 fdc 38647 0totbnd 38675 heiborlem3 38715 cossssid 39457 cnvrefrelcoss2 39517 dfdisjALTV 39698 dfeldisj2 39710 dfeldisj3 39711 dfeldisj4 39712 disjqmap2 39726 disjres 39744 disjxrn 39746 dfantisymrel4 39764 dfantisymrel5 39765 antisymrelres 39766 ifpid3g 44451 elintima 44612 brpermmodel 45945 0funcALT 50140 |
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