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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 4710 inimasn 6007 isof1oidb 7071 oacan 8168 ecdmn0 8330 wemapwe 9154 r1pw 9268 adderpqlem 10370 mulerpqlem 10371 lterpq 10386 ltanq 10387 genpass 10425 readdcan 10808 lemuldiv 11514 msq11 11535 avglt2 11870 qbtwnre 12586 iooshf 12809 clim2c 14856 lo1o1 14883 climabs0 14936 reef11 15466 absefib 15545 efieq1re 15546 nndivides 15611 oddnn02np1 15691 oddge22np1 15692 evennn02n 15693 evennn2n 15694 halfleoddlt 15705 pc2dvds 16209 pcmpt 16222 subsubc 17117 odmulgid 18675 gexdvds 18703 submcmn2 18953 obslbs 20868 cnntr 21877 cndis 21893 cnindis 21894 cnpdis 21895 lmres 21902 cmpfi 22010 ist0-4 22331 txhmeo 22405 tsmssubm 22745 blin 23025 cncfmet 23510 icopnfcnv 23540 lmmbrf 23859 iscauf 23877 causs 23895 mbfposr 24247 itg2gt0 24355 limcflf 24473 limcres 24478 lhop1 24605 dvdsr1p 24749 fsumvma2 25784 vmasum 25786 chpchtsum 25789 bposlem1 25854 iscgrgd 26293 tgcgr4 26311 lnrot1 26403 eqeelen 26684 nbusgreledg 27129 nb3grprlem2 27157 wspthsnwspthsnon 27689 rusgrnumwwlks 27747 clwwlkwwlksb 27827 clwwlknwwlksnb 27828 dmdmd 30071 nfpconfp 30371 funcnvmpt 30406 1stpreimas 30435 xrdifh 30497 swrdrn3 30624 lsmsnorb 30940 ismntop 31262 eulerpartlemgh 31631 signslema 31827 fmlafvel 32627 topdifinfindis 34621 leceifl 34875 lindsadd 34879 lindsenlbs 34881 iblabsnclem 34949 ftc1anclem6 34966 areacirclem5 34980 areacirc 34981 brcoss3 35672 lsatfixedN 36139 cdlemg10c 37769 diaglbN 38185 dih1 38416 dihglbcpreN 38430 mapdcv 38790 ellz1 39357 islssfg 39663 proot1ex 39794 eliooshift 41775 clim2cf 41924 dfatdmfcoafv2 43447 sfprmdvdsmersenne 43762 odd2np1ALTV 43833 rrx2plordisom 44704 |
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