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Mirrors > Home > MPE Home > Th. List > 3anbi2d | Structured version Visualization version GIF version |
Description: Deduction adding conjuncts to an equivalence. (Contributed by NM, 8-Sep-2006.) |
Ref | Expression |
---|---|
3anbi1d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
Ref | Expression |
---|---|
3anbi2d | ⊢ (𝜑 → ((𝜃 ∧ 𝜓 ∧ 𝜏) ↔ (𝜃 ∧ 𝜒 ∧ 𝜏))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biidd 252 | . 2 ⊢ (𝜑 → (𝜃 ↔ 𝜃)) | |
2 | 3anbi1d.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
3 | 1, 2 | 3anbi12d 1400 | 1 ⊢ (𝜑 → ((𝜃 ∧ 𝜓 ∧ 𝜏) ↔ (𝜃 ∧ 𝜒 ∧ 𝜏))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ w3a 1037 |
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 197 df-an 386 df-3an 1039 |
This theorem is referenced by: vtocl3gaf 3275 offval22 7253 ereq2 7750 wrdl3s3 13705 mhmlem 17535 isdrngrd 18773 lmodlema 18868 mdetunilem9 20426 neiptoptop 20935 neiptopnei 20936 hausnei 21132 regr1lem2 21543 ustuqtop4 22048 utopsnneiplem 22051 axtg5seg 25364 axtgupdim2 25370 axtgeucl 25371 brbtwn 25779 axlowdim 25841 axeuclidlem 25842 incistruhgr 25974 issubgr2 26164 wwlksnwwlksnon 26810 upgr4cycl4dv4e 27045 isnvlem 27465 csmdsymi 29193 br8d 29422 slmdlema 29756 carsgmon 30376 sitgclg 30404 tgoldbachgt 30741 axtgupdim2OLD 30746 bnj852 30991 bnj18eq1 30997 bnj938 31007 bnj983 31021 bnj1318 31093 bnj1326 31094 cvmlift3lem4 31304 cvmlift3 31310 br8 31646 br6 31647 br4 31648 brcolinear2 32165 colineardim1 32168 brfs 32186 fscgr 32187 btwnconn1lem7 32200 brsegle 32215 unblimceq0 32498 sdclem2 33538 sdclem1 33539 sdc 33540 fdc 33541 cdleme18d 35582 cdlemk35s 36225 cdlemk39s 36227 monotoddzz 37508 jm2.27 37575 mendlmod 37763 fiiuncl 39234 wessf1ornlem 39371 fmulcl 39813 fmuldfeqlem1 39814 fprodcncf 40114 dvmptfprodlem 40159 dvmptfprod 40160 dvnprodlem2 40162 stoweidlem6 40223 stoweidlem8 40225 stoweidlem31 40248 stoweidlem34 40251 stoweidlem43 40260 stoweidlem52 40269 fourierdlem41 40365 fourierdlem48 40371 fourierdlem49 40372 ovnsubaddlem1 40784 9gbo 41662 11gbo 41663 lmod1 42281 |
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