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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 264 | . 2 ⊢ (𝜑 → (𝜃 ↔ 𝜃)) | |
2 | 3anbi1d.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
3 | 1, 2 | 3anbi12d 1433 | 1 ⊢ (𝜑 → ((𝜃 ∧ 𝜓 ∧ 𝜏) ↔ (𝜃 ∧ 𝜒 ∧ 𝜏))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ w3a 1083 |
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 df-3an 1085 |
This theorem is referenced by: vtocl3gaf 3579 offval22 7785 ereq2 8299 wrdl3s3 14328 mhmlem 18221 isdrngrd 19530 lmodlema 19641 mdetunilem9 21231 neiptoptop 21741 neiptopnei 21742 hausnei 21938 regr1lem2 22350 ustuqtop4 22855 utopsnneiplem 22858 axtg5seg 26253 axtgupdim2 26259 axtgeucl 26260 brbtwn 26687 axlowdim 26749 axeuclidlem 26750 incistruhgr 26866 issubgr2 27056 wwlksnwwlksnon 27696 upgr4cycl4dv4e 27966 isnvlem 28389 csmdsymi 30113 br8d 30363 slmdlema 30833 carsgmon 31574 sitgclg 31602 tgoldbachgt 31936 axtgupdim2ALTV 31941 bnj852 32195 bnj18eq1 32201 bnj938 32211 bnj983 32225 bnj1318 32299 bnj1326 32300 cvmlift3lem4 32571 cvmlift3 32577 br8 32994 br6 32995 br4 32996 brcolinear2 33521 colineardim1 33524 brfs 33542 fscgr 33543 btwnconn1lem7 33556 brsegle 33571 unblimceq0 33848 sdclem2 35019 sdclem1 35020 sdc 35021 fdc 35022 cdleme18d 37433 cdlemk35s 38075 cdlemk39s 38077 monotoddzz 39547 jm2.27 39612 mendlmod 39800 fiiuncl 41334 wessf1ornlem 41452 fmulcl 41869 fmuldfeqlem1 41870 fprodcncf 42191 dvmptfprodlem 42236 dvmptfprod 42237 dvnprodlem2 42239 stoweidlem6 42298 stoweidlem8 42300 stoweidlem31 42323 stoweidlem34 42326 stoweidlem43 42335 stoweidlem52 42344 fourierdlem41 42440 fourierdlem48 42446 fourierdlem49 42447 ovnsubaddlem1 42859 ichexmpl2 43639 9gbo 43946 11gbo 43947 lmod1 44554 |
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