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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 9100 eluz 12979 elicc4 13544 s111 14763 limsupgle 15644 lo1resb 15731 o1resb 15733 isercolllem2 15833 divalgmodcl 16577 ismri2 17806 acsfiel2 17829 eqglact 19391 eqgid 19392 cntzel 19537 dprdsubg 20240 subgdmdprd 20250 dprd2da 20258 dmdprdpr 20265 issubrg3 20852 ishil2 22025 obslbs 22036 iscld2 23346 isperf3 23471 cncnp2 23599 cnnei 23600 trfbas2 24162 flimrest 24302 flfnei 24310 fclsrest 24343 tsmssubm 24462 isnghm2 25043 isnghm3 25044 isnmhm2 25071 iscfil2 25587 caucfil 25604 ellimc2 26197 cnlimc 26208 lhop1 26334 dvfsumlem1 26346 fsumharmonic 27339 fsumvma 27540 fsumvma2 27541 vmasum 27543 chpchtsum 27546 chpub 27547 rpvmasum2 27839 dchrisum0lem1 27843 dirith 27856 uvtx2vtx1edg 29979 uvtx2vtx1edgb 29980 iscplgrnb 29997 frgr3v 30876 adjeu 32491 suppiniseg 33279 suppss3 33315 nndiffz1 33378 indpreima 33432 islinds5 33923 fsumcvg4 34582 qqhval2lem 34613 eulerpartlemf 35002 elorvc 35092 hashreprin 35249 neibastop3 37150 relowlpssretop 38287 sstotbnd2 38708 isbnd3b 38719 lshpkr 40174 isat2 40344 islln4 40564 islpln4 40588 islvol4 40631 islhp2 41054 pw2f1o2val2 44046 modelaxreplem3 45969 rfcnpre1 46035 rfcnpre2 46047 joindm3 50076 meetdm3 50078 catprsc 50120 |
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