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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 465 | . 2 ⊢ (𝜑 ↔ (𝜒 ∧ 𝜓)) |
4 | 1, 3 | mpbiran 707 | 1 ⊢ (𝜑 ↔ 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ∧ wa 398 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 209 df-an 399 |
This theorem is referenced by: pm5.62 1015 rabtru 3676 reueq 3727 ss0b 4350 eusv1 5283 eusv2nf 5287 eusv2 5288 opthprc 5610 sosn 5632 fdmrn 6532 f1cnvcnv 6578 fores 6594 f1orn 6619 funfv 6744 dfoprab2 7206 elxp7 7718 tpostpos 7906 canthwe 10067 opelreal 10546 elreal2 10548 eqresr 10553 elnn1uz2 12319 faclbnd4lem1 13647 isprm2 16020 joindm 17607 meetdm 17621 symgbas0 18511 toptopon 21519 ist1-3 21951 perfcls 21967 prdsxmetlem 22972 rusgrprc 27366 hhsssh2 29041 choc0 29097 chocnul 29099 shlesb1i 29157 adjeu 29660 isarchi 30806 derang0 32411 frrlem11 33128 dfon3 33348 brtxpsd 33350 topmeet 33707 filnetlem2 33722 filnetlem3 33723 bj-rabtrALT 34244 bj-snsetex 34270 relowlpssretop 34639 poimirlem28 34914 fdc 35014 0totbnd 35045 heiborlem3 35085 cossssid 35701 cnvrefrelcoss2 35767 dfdisjALTV 35940 dfeldisj2 35945 dfeldisj3 35946 dfeldisj4 35947 disjxrn 35971 ifpid3g 39851 elintima 39991 |
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