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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 3642 reueq 3694 ss0b 4350 eusv1 5352 eusv2nf 5356 eusv2 5357 dfid2 5547 opthprc 5714 sosn 5737 fdmrn 6741 f1cnvcnv 6789 fores 6806 f1orn 6835 funfv 6972 dfoprab2 7478 elxp7 8036 tpostpos 8266 frrlem11 8317 canthwe 10739 opelreal 11218 elreal2 11220 eqresr 11225 elnn1uz2 13055 faclbnd4lem1 14440 isprm2 16862 joindm 18552 meetdm 18566 symgbas0 19608 toptopon 23240 ist1-3 23672 perfcls 23688 prdsxmetlem 24692 eln0s 28752 rusgrprc 30176 hhsssh2 31877 choc0 31933 chocnul 31935 shlesb1i 31993 adjeu 32496 isarchi 33789 vonf1osev 35959 derang0 36020 dfon3 36746 brtxpsd 36748 topmeet 37244 filnetlem2 37259 filnetlem3 37260 bj-rabtrALT 37936 bj-snsetex 37968 bj-dfid2ALT 38072 relowlpssretop 38380 poimirlem28 38659 fdc 38772 0totbnd 38800 heiborlem3 38840 cossssid 39582 cnvrefrelcoss2 39642 dfdisjALTV 39823 dfeldisj2 39835 dfeldisj3 39836 dfeldisj4 39837 disjqmap2 39851 disjres 39869 disjxrn 39871 dfantisymrel4 39889 dfantisymrel5 39890 antisymrelres 39891 ifpid3g 44586 elintima 44746 brpermmodel 46086 0funcALT 50296 |
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