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| Mirrors > Home > MPE Home > Th. List > 3anbi13d | Structured version Visualization version GIF version | ||
| Description: Deduction conjoining and adding a conjunct to equivalences. (Contributed by NM, 8-Sep-2006.) |
| Ref | Expression |
|---|---|
| 3anbi12d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| 3anbi12d.2 | ⊢ (𝜑 → (𝜃 ↔ 𝜏)) |
| Ref | Expression |
|---|---|
| 3anbi13d | ⊢ (𝜑 → ((𝜓 ∧ 𝜂 ∧ 𝜃) ↔ (𝜒 ∧ 𝜂 ∧ 𝜏))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3anbi12d.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 2 | biidd 265 | . 2 ⊢ (𝜑 → (𝜂 ↔ 𝜂)) | |
| 3 | 3anbi12d.2 | . 2 ⊢ (𝜑 → (𝜃 ↔ 𝜏)) | |
| 4 | 1, 2, 3 | 3anbi123d 1465 | 1 ⊢ (𝜑 → ((𝜓 ∧ 𝜂 ∧ 𝜃) ↔ (𝜒 ∧ 𝜂 ∧ 𝜏))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ w3a 1103 |
| 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 df-3an 1105 |
| This theorem is used by: 3anbi3d 1471 ax12wdemo 2174 f1dom3el3dif 7304 xpord2lem 8196 xpord3lem 8203 frrlem1 8342 frrlem13 8354 cofsmo 10386 axdc3lem3 10569 axdc3lem4 10570 iscatd2 17905 psgnunilem1 19758 nn0gsumfz 20249 opprsubrg 20896 lsspropd 21343 mdetunilem3 22984 mdetunilem9 22990 smadiadetr 23045 lmres 23673 cnhaus 23727 regsep2 23749 dishaus 23755 ordthauslem 23756 nconnsubb 23796 pthaus 24012 txhaus 24021 xkohaus 24027 regr1lem 24113 ustval 24577 methaus 24894 metnrmlem3 25236 pmltpclem1 25824 brslts 28205 bdayfinbndcbv 28909 bdayfinbndlem1 28910 bdayfinbndlem2 28911 axtgeucl 28991 iscgrad 29375 dfcgra2 29395 f1otrge 29506 axeuclidlem 29597 umgrvad2edg 29851 elwspths2spth 30616 loop1cycl 30801 upgr3v3e3cycl 30838 upgr4cycl4dv4e 30843 vdgn1frgrv2 30954 numclwlk1lem1 31027 ex-opab 31090 isnvlem 31269 ajval 31520 adjeu 32548 adjval 32549 adj1 32592 adjeq 32594 cnlnssadj 32739 br8d 33300 lt2addrd 33438 xlt2addrd 33447 crngmxidl 34098 constrconj 34488 constrllcllem 34495 constrcccllem 34497 constrcbvlem 34498 measval 34942 tz9.1regs 35943 br8 36736 br6 36737 br4 36738 brcgr3 37026 brsegle 37088 fvray 37121 linedegen 37123 fvline 37124 poimirlem28 38834 isopos 40503 hlsuprexch 40704 2llnjN 40890 2lplnj 40943 cdlemk42 42264 zindbi 44219 jm2.27 44281 nnoeomeqom 44575 tfsconcatrev 44611 rp-brsslt 44685 stoweidlem43 47326 fourierdlem42 47432 ichexmpl1 48824 vopnbgrel 49225 dfclnbgr6 49227 dfnbgr6 49228 cycl3grtri 49318 grimgrtri 49320 usgrgrtrirex 49321 grlimgrtri 49374 usgrexmpl1tri 49396 sepfsepc 50373 iscnrm3rlem8 50392 iscnrm3llem2 50395 |
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