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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 531 | . . 3 ⊢ (𝜒 → (𝜃 ↔ (𝜒 ∧ 𝜃))) | |
3 | 2 | bicomd 225 | . 2 ⊢ (𝜒 → ((𝜒 ∧ 𝜃) ↔ 𝜃)) |
4 | 1, 3 | sylan9bb 512 | 1 ⊢ ((𝜑 ∧ 𝜒) → (𝜓 ↔ 𝜃)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 |
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 209 df-an 399 |
This theorem is referenced by: rbaibd 543 pw2f1olem 8615 eluz 12251 elicc4 12797 s111 13963 limsupgle 14828 lo1resb 14915 o1resb 14917 isercolllem2 15016 divalgmodcl 15752 ismri2 16897 acsfiel2 16920 eqglact 18325 eqgid 18326 cntzel 18447 dprdsubg 19140 subgdmdprd 19150 dprd2da 19158 dmdprdpr 19165 issubrg3 19557 ishil2 20857 obslbs 20868 iscld2 21630 isperf3 21755 cncnp2 21883 cnnei 21884 trfbas2 22445 flimrest 22585 flfnei 22593 fclsrest 22626 tsmssubm 22745 isnghm2 23327 isnghm3 23328 isnmhm2 23355 iscfil2 23863 caucfil 23880 ellimc2 24469 cnlimc 24480 lhop1 24605 dvfsumlem1 24617 fsumharmonic 25583 fsumvma 25783 fsumvma2 25784 vmasum 25786 chpchtsum 25789 chpub 25790 rpvmasum2 26082 dchrisum0lem1 26086 dirith 26099 uvtx2vtx1edg 27174 uvtx2vtx1edgb 27175 iscplgrnb 27192 frgr3v 28048 adjeu 29660 suppss3 30454 nndiffz1 30503 islinds5 30927 fsumcvg4 31188 qqhval2lem 31217 indpreima 31279 eulerpartlemf 31623 elorvc 31712 hashreprin 31886 neibastop3 33705 relowlpssretop 34639 sstotbnd2 35046 isbnd3b 35057 lshpkr 36247 isat2 36417 islln4 36637 islpln4 36661 islvol4 36704 islhp2 37127 pw2f1o2val2 39630 rfcnpre1 41269 rfcnpre2 41281 |
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