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Mirrors > Home > MPE Home > Th. List > bitr2d | Structured version Visualization version GIF version |
Description: Deduction form of bitr2i 265. (Contributed by NM, 9-Jun-2004.) |
Ref | Expression |
---|---|
bitr2d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
bitr2d.2 | ⊢ (𝜑 → (𝜒 ↔ 𝜃)) |
Ref | Expression |
---|---|
bitr2d | ⊢ (𝜑 → (𝜃 ↔ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bitr2d.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
2 | bitr2d.2 | . . 3 ⊢ (𝜑 → (𝜒 ↔ 𝜃)) | |
3 | 1, 2 | bitrd 268 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
4 | 3 | bicomd 213 | 1 ⊢ (𝜑 → (𝜃 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 |
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 |
This theorem is referenced by: 3bitrrd 295 3bitr2rd 297 pm5.18 370 ifptru 1043 sbequ12a 2151 elrnmpt1 5406 fndmdif 6361 weniso 6644 sbcopeq1a 7264 cfss 9125 posdif 10559 lesub1 10560 lesub0 10583 possumd 10690 ltdivmul 10936 ledivmul 10937 zlem1lt 11467 zltlem1 11468 negelrp 11902 ioon0 12239 fzn 12395 fzrev2 12442 fz1sbc 12454 elfzp1b 12455 sumsqeq0 12982 fz1isolem 13283 sqrtle 14045 absgt0 14108 isershft 14438 incexc2 14614 dvdssubr 15074 gcdn0gt0 15286 divgcdcoprmex 15427 pcfac 15650 ramval 15759 ltbwe 19520 iunocv 20073 lmbrf 21112 perfcls 21217 ovolscalem1 23327 itg2mulclem 23558 sineq0 24318 efif1olem4 24336 logge0b 24422 loggt0b 24423 logle1b 24424 loglt1b 24425 atanord 24699 rlimcnp2 24738 bposlem7 25060 lgsprme0 25109 rpvmasum2 25246 trgcgrg 25455 legov3 25538 opphllem6 25689 ebtwntg 25907 wwlksm1edg 26835 hial2eq2 28092 adjsym 28820 cnvadj 28879 eigvalcl 28948 mddmd 29288 mdslmd2i 29317 elat2 29327 xdivpnfrp 29769 isorng 29927 unitdivcld 30075 indpreima 30215 ioosconn 31355 pdivsq 31761 poimirlem26 33565 areacirclem1 33630 isat3 34912 ishlat3N 34959 cvrval5 35019 llnexchb2 35473 lhpoc2N 35619 lhprelat3N 35644 lautcnvle 35693 lautcvr 35696 ltrncnvatb 35742 cdlemb3 36211 cdlemg17h 36273 dih0vbN 36888 djhcvat42 37021 dvh4dimat 37044 mapdordlem2 37243 diophun 37654 jm2.19lem4 37876 uneqsn 38638 xrralrecnnge 39926 limsupre2lem 40274 flsqrt5 41834 isrnghm 42217 lincfsuppcl 42527 |
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