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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 9082 eluz 12904 elicc4 13469 s111 14686 limsupgle 15567 lo1resb 15654 o1resb 15656 isercolllem2 15756 divalgmodcl 16500 ismri2 17723 acsfiel2 17746 eqglact 19307 eqgid 19308 cntzel 19453 dprdsubg 20156 subgdmdprd 20166 dprd2da 20174 dmdprdpr 20181 issubrg3 20765 ishil2 21935 obslbs 21946 iscld2 23256 isperf3 23381 cncnp2 23509 cnnei 23510 trfbas2 24072 flimrest 24212 flfnei 24220 fclsrest 24253 tsmssubm 24372 isnghm2 24953 isnghm3 24954 isnmhm2 24981 iscfil2 25497 caucfil 25514 ellimc2 26107 cnlimc 26118 lhop1 26244 dvfsumlem1 26256 fsumharmonic 27251 fsumvma 27452 fsumvma2 27453 vmasum 27455 chpchtsum 27458 chpub 27459 rpvmasum2 27751 dchrisum0lem1 27755 dirith 27768 uvtx2vtx1edg 29861 uvtx2vtx1edgb 29862 iscplgrnb 29879 frgr3v 30758 adjeu 32373 suppiniseg 33161 suppss3 33197 nndiffz1 33260 indpreima 33314 islinds5 33805 fsumcvg4 34463 qqhval2lem 34494 eulerpartlemf 34884 elorvc 34974 hashreprin 35131 neibastop3 36984 relowlpssretop 38121 sstotbnd2 38527 isbnd3b 38538 lshpkr 39993 isat2 40163 islln4 40383 islpln4 40407 islvol4 40450 islhp2 40873 pw2f1o2val2 43884 modelaxreplem3 45806 rfcnpre1 45856 rfcnpre2 45868 joindm3 49898 meetdm3 49900 catprsc 49942 |
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