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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 9076 eluz 12892 elicc4 13456 s111 14673 limsupgle 15552 lo1resb 15639 o1resb 15641 isercolllem2 15741 divalgmodcl 16487 ismri2 17710 acsfiel2 17733 eqglact 19291 eqgid 19292 cntzel 19437 dprdsubg 20140 subgdmdprd 20150 dprd2da 20158 dmdprdpr 20165 issubrg3 20749 ishil2 21919 obslbs 21930 iscld2 23235 isperf3 23360 cncnp2 23488 cnnei 23489 trfbas2 24051 flimrest 24191 flfnei 24199 fclsrest 24232 tsmssubm 24351 isnghm2 24932 isnghm3 24933 isnmhm2 24960 iscfil2 25476 caucfil 25493 ellimc2 26087 cnlimc 26098 lhop1 26224 dvfsumlem1 26236 fsumharmonic 27227 fsumvma 27428 fsumvma2 27429 vmasum 27431 chpchtsum 27434 chpub 27435 rpvmasum2 27727 dchrisum0lem1 27731 dirith 27744 uvtx2vtx1edg 29806 uvtx2vtx1edgb 29807 iscplgrnb 29824 frgr3v 30697 adjeu 32312 suppiniseg 33102 suppss3 33138 nndiffz1 33201 indpreima 33255 islinds5 33746 fsumcvg4 34404 qqhval2lem 34435 eulerpartlemf 34825 elorvc 34915 hashreprin 35072 neibastop3 36930 relowlpssretop 38067 sstotbnd2 38483 isbnd3b 38494 lshpkr 39949 isat2 40119 islln4 40339 islpln4 40363 islvol4 40406 islhp2 40829 pw2f1o2val2 43825 modelaxreplem3 45747 rfcnpre1 45797 rfcnpre2 45809 joindm3 49804 meetdm3 49806 catprsc 49848 |
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