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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 9079 eluz 12901 elicc4 13466 s111 14683 limsupgle 15564 lo1resb 15651 o1resb 15653 isercolllem2 15753 divalgmodcl 16497 ismri2 17720 acsfiel2 17743 eqglact 19304 eqgid 19305 cntzel 19450 dprdsubg 20153 subgdmdprd 20163 dprd2da 20171 dmdprdpr 20178 issubrg3 20762 ishil2 21932 obslbs 21943 iscld2 23253 isperf3 23378 cncnp2 23506 cnnei 23507 trfbas2 24069 flimrest 24209 flfnei 24217 fclsrest 24250 tsmssubm 24369 isnghm2 24950 isnghm3 24951 isnmhm2 24978 iscfil2 25494 caucfil 25511 ellimc2 26104 cnlimc 26115 lhop1 26241 dvfsumlem1 26253 fsumharmonic 27248 fsumvma 27449 fsumvma2 27450 vmasum 27452 chpchtsum 27455 chpub 27456 rpvmasum2 27748 dchrisum0lem1 27752 dirith 27765 uvtx2vtx1edg 29858 uvtx2vtx1edgb 29859 iscplgrnb 29876 frgr3v 30755 adjeu 32370 suppiniseg 33158 suppss3 33194 nndiffz1 33257 indpreima 33311 islinds5 33802 fsumcvg4 34460 qqhval2lem 34491 eulerpartlemf 34881 elorvc 34971 hashreprin 35128 neibastop3 36981 relowlpssretop 38118 sstotbnd2 38524 isbnd3b 38535 lshpkr 39990 isat2 40160 islln4 40380 islpln4 40404 islvol4 40447 islhp2 40870 pw2f1o2val2 43881 modelaxreplem3 45803 rfcnpre1 45853 rfcnpre2 45865 joindm3 49895 meetdm3 49897 catprsc 49939 |
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