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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 532 | . . 3 ⊢ (𝜒 → (𝜃 ↔ (𝜒 ∧ 𝜃))) | |
3 | 2 | bicomd 226 | . 2 ⊢ (𝜒 → ((𝜒 ∧ 𝜃) ↔ 𝜃)) |
4 | 1, 3 | sylan9bb 513 | 1 ⊢ ((𝜑 ∧ 𝜒) → (𝜓 ↔ 𝜃)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 |
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 210 df-an 400 |
This theorem is referenced by: rbaibd 544 pw2f1olem 8604 eluz 12245 elicc4 12792 s111 13960 limsupgle 14826 lo1resb 14913 o1resb 14915 isercolllem2 15014 divalgmodcl 15748 ismri2 16895 acsfiel2 16918 eqglact 18323 eqgid 18324 cntzel 18445 dprdsubg 19139 subgdmdprd 19149 dprd2da 19157 dmdprdpr 19164 issubrg3 19556 ishil2 20408 obslbs 20419 iscld2 21633 isperf3 21758 cncnp2 21886 cnnei 21887 trfbas2 22448 flimrest 22588 flfnei 22596 fclsrest 22629 tsmssubm 22748 isnghm2 23330 isnghm3 23331 isnmhm2 23358 iscfil2 23870 caucfil 23887 ellimc2 24480 cnlimc 24491 lhop1 24617 dvfsumlem1 24629 fsumharmonic 25597 fsumvma 25797 fsumvma2 25798 vmasum 25800 chpchtsum 25803 chpub 25804 rpvmasum2 26096 dchrisum0lem1 26100 dirith 26113 uvtx2vtx1edg 27188 uvtx2vtx1edgb 27189 iscplgrnb 27206 frgr3v 28060 adjeu 29672 suppiniseg 30446 suppss3 30486 nndiffz1 30535 islinds5 30983 fsumcvg4 31303 qqhval2lem 31332 indpreima 31394 eulerpartlemf 31738 elorvc 31827 hashreprin 32001 neibastop3 33823 relowlpssretop 34781 sstotbnd2 35212 isbnd3b 35223 lshpkr 36413 isat2 36583 islln4 36803 islpln4 36827 islvol4 36870 islhp2 37293 pw2f1o2val2 39981 rfcnpre1 41648 rfcnpre2 41660 |
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