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Mirrors > Home > MPE Home > Th. List > 3bitr4rd | Structured version Visualization version GIF version |
Description: Deduction from transitivity of biconditional. (Contributed by NM, 4-Aug-2006.) |
Ref | Expression |
---|---|
3bitr4d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
3bitr4d.2 | ⊢ (𝜑 → (𝜃 ↔ 𝜓)) |
3bitr4d.3 | ⊢ (𝜑 → (𝜏 ↔ 𝜒)) |
Ref | Expression |
---|---|
3bitr4rd | ⊢ (𝜑 → (𝜏 ↔ 𝜃)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3bitr4d.3 | . . 3 ⊢ (𝜑 → (𝜏 ↔ 𝜒)) | |
2 | 3bitr4d.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
3 | 1, 2 | bitr4d 284 | . 2 ⊢ (𝜑 → (𝜏 ↔ 𝜓)) |
4 | 3bitr4d.2 | . 2 ⊢ (𝜑 → (𝜃 ↔ 𝜓)) | |
5 | 3, 4 | bitr4d 284 | 1 ⊢ (𝜑 → (𝜏 ↔ 𝜃)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 |
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 |
This theorem is referenced by: snssg 4717 inimasn 6013 isof1oidb 7077 oacan 8174 ecdmn0 8336 wemapwe 9160 r1pw 9274 adderpqlem 10376 mulerpqlem 10377 lterpq 10392 ltanq 10393 genpass 10431 readdcan 10814 lemuldiv 11520 msq11 11541 avglt2 11877 qbtwnre 12593 iooshf 12816 clim2c 14862 lo1o1 14889 climabs0 14942 reef11 15472 absefib 15551 efieq1re 15552 nndivides 15617 oddnn02np1 15697 oddge22np1 15698 evennn02n 15699 evennn2n 15700 halfleoddlt 15711 pc2dvds 16215 pcmpt 16228 subsubc 17123 odmulgid 18681 gexdvds 18709 submcmn2 18959 obslbs 20874 cnntr 21883 cndis 21899 cnindis 21900 cnpdis 21901 lmres 21908 cmpfi 22016 ist0-4 22337 txhmeo 22411 tsmssubm 22751 blin 23031 cncfmet 23516 icopnfcnv 23546 lmmbrf 23865 iscauf 23883 causs 23901 mbfposr 24253 itg2gt0 24361 limcflf 24479 limcres 24484 lhop1 24611 dvdsr1p 24755 fsumvma2 25790 vmasum 25792 chpchtsum 25795 bposlem1 25860 iscgrgd 26299 tgcgr4 26317 lnrot1 26409 eqeelen 26690 nbusgreledg 27135 nb3grprlem2 27163 wspthsnwspthsnon 27695 rusgrnumwwlks 27753 clwwlkwwlksb 27833 clwwlknwwlksnb 27834 dmdmd 30077 nfpconfp 30377 funcnvmpt 30412 1stpreimas 30441 xrdifh 30503 swrdrn3 30629 lsmsnorb 30945 ismntop 31267 eulerpartlemgh 31636 signslema 31832 fmlafvel 32632 topdifinfindis 34630 leceifl 34896 lindsadd 34900 lindsenlbs 34902 iblabsnclem 34970 ftc1anclem6 34987 areacirclem5 35001 areacirc 35002 brcoss3 35693 lsatfixedN 36160 cdlemg10c 37790 diaglbN 38206 dih1 38437 dihglbcpreN 38451 mapdcv 38811 ellz1 39413 islssfg 39719 proot1ex 39850 eliooshift 41831 clim2cf 41980 dfatdmfcoafv2 43502 sfprmdvdsmersenne 43817 odd2np1ALTV 43888 rrx2plordisom 44759 |
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