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| Mirrors > Home > MPE Home > Th. List > baibd | Structured version Visualization version GIF version | ||
| Description: Move conjunction outside of biconditional. (Contributed by Mario Carneiro, 11-Sep-2015.) |
| Ref | Expression |
|---|---|
| baibd.1 | ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) |
| Ref | Expression |
|---|---|
| baibd | ⊢ ((𝜑 ∧ 𝜒) → (𝜓 ↔ 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | baibd.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) | |
| 2 | ibar 538 | . . 3 ⊢ (𝜒 → (𝜃 ↔ (𝜒 ∧ 𝜃))) | |
| 3 | 2 | bicomd 226 | . 2 ⊢ (𝜒 → ((𝜒 ∧ 𝜃) ↔ 𝜃)) |
| 4 | 1, 3 | sylan9bb 519 | 1 ⊢ ((𝜑 ∧ 𝜒) → (𝜓 ↔ 𝜃)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ 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: rbaibd 550 bian1d 591 pw2f1olem 9111 eluz 12989 elicc4 13554 s111 14774 limsupgle 15656 lo1resb 15743 o1resb 15745 isercolllem2 15845 divalgmodcl 16589 ismri2 17818 acsfiel2 17841 eqglact 19403 eqgid 19404 cntzel 19549 dprdsubg 20252 subgdmdprd 20262 dprd2da 20270 dmdprdpr 20277 issubrg3 20864 ishil2 22037 obslbs 22048 iscld2 23358 isperf3 23483 cncnp2 23611 cnnei 23612 trfbas2 24174 flimrest 24314 flfnei 24322 fclsrest 24355 tsmssubm 24474 isnghm2 25055 isnghm3 25056 isnmhm2 25083 iscfil2 25599 caucfil 25616 ellimc2 26209 cnlimc 26220 lhop1 26346 dvfsumlem1 26358 fsumharmonic 27351 fsumvma 27552 fsumvma2 27553 vmasum 27555 chpchtsum 27558 chpub 27559 rpvmasum2 27851 dchrisum0lem1 27855 dirith 27868 uvtx2vtx1edg 29991 uvtx2vtx1edgb 29992 iscplgrnb 30009 frgr3v 30888 adjeu 32503 suppiniseg 33333 suppss3 33368 nndiffz1 33431 indpreima 33485 islinds5 33976 fsumcvg4 34635 qqhval2lem 34666 eulerpartlemf 35055 elorvc 35145 hashreprin 35302 neibastop3 37277 relowlpssretop 38427 sstotbnd2 38848 isbnd3b 38859 lshpkr 40314 isat2 40484 islln4 40704 islpln4 40728 islvol4 40771 islhp2 41194 pw2f1o2val2 44187 modelaxreplem3 46109 rfcnpre1 46175 rfcnpre2 46187 joindm3 50222 meetdm3 50224 catprsc 50266 |
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