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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 533 | . . 3 ⊢ (𝜒 → (𝜃 ↔ (𝜒 ∧ 𝜃))) | |
3 | 2 | bicomd 226 | . 2 ⊢ (𝜒 → ((𝜒 ∧ 𝜃) ↔ 𝜃)) |
4 | 1, 3 | sylan9bb 514 | 1 ⊢ ((𝜑 ∧ 𝜒) → (𝜓 ↔ 𝜃)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 |
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 401 |
This theorem is referenced by: rbaibd 545 pw2f1olem 8642 eluz 12289 elicc4 12839 s111 14009 limsupgle 14875 lo1resb 14962 o1resb 14964 isercolllem2 15063 divalgmodcl 15801 ismri2 16954 acsfiel2 16977 eqglact 18391 eqgid 18392 cntzel 18513 dprdsubg 19207 subgdmdprd 19217 dprd2da 19225 dmdprdpr 19232 issubrg3 19624 ishil2 20477 obslbs 20488 iscld2 21721 isperf3 21846 cncnp2 21974 cnnei 21975 trfbas2 22536 flimrest 22676 flfnei 22684 fclsrest 22717 tsmssubm 22836 isnghm2 23419 isnghm3 23420 isnmhm2 23447 iscfil2 23959 caucfil 23976 ellimc2 24569 cnlimc 24580 lhop1 24706 dvfsumlem1 24718 fsumharmonic 25689 fsumvma 25889 fsumvma2 25890 vmasum 25892 chpchtsum 25895 chpub 25896 rpvmasum2 26188 dchrisum0lem1 26192 dirith 26205 uvtx2vtx1edg 27280 uvtx2vtx1edgb 27281 iscplgrnb 27298 frgr3v 28152 adjeu 29764 suppiniseg 30537 suppss3 30576 nndiffz1 30624 islinds5 31077 fsumcvg4 31414 qqhval2lem 31443 indpreima 31505 eulerpartlemf 31849 elorvc 31938 hashreprin 32112 neibastop3 34093 relowlpssretop 35054 sstotbnd2 35485 isbnd3b 35496 lshpkr 36686 isat2 36856 islln4 37076 islpln4 37100 islvol4 37143 islhp2 37566 pw2f1o2val2 40347 rfcnpre1 42014 rfcnpre2 42026 |
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