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| Mirrors > Home > ILE Home > Th. List > bitr3d | GIF version | ||
| Description: Deduction form of bitr3i 186. (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| bitr3d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| bitr3d.2 | ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
| Ref | Expression |
|---|---|
| bitr3d | ⊢ (𝜑 → (𝜒 ↔ 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bitr3d.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 2 | 1 | bicomd 141 | . 2 ⊢ (𝜑 → (𝜒 ↔ 𝜓)) |
| 3 | bitr3d.2 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) | |
| 4 | 2, 3 | bitrd 188 | 1 ⊢ (𝜑 → (𝜒 ↔ 𝜃)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: 3bitrrd 215 3bitr3d 218 3bitr3rd 219 pm5.16 840 biassdc 1444 pm5.24dc 1447 anxordi 1449 sbequ12a 1826 drex1 1851 sbcomxyyz 2032 sb9v 2038 csbiebt 3187 prsspwg 3875 ssprss 3876 bnd2 4312 copsex2t 4387 copsex2g 4388 fnssresb 5498 fcnvres 5578 foelcdmi 5758 dmfco 5776 funimass5 5829 fmptco 5877 cbvfo 5994 cbvexfo 5995 isocnv 6020 isoini 6027 isoselem 6029 riota2df 6063 ovmpodxf 6217 caovcanrd 6256 suppimacnvfn 6490 fidcenumlemrks 7277 ordiso2 7381 ltpiord 7692 dfplpq2 7727 dfmpq2 7728 enqeceq 7732 enq0eceq 7810 enreceq 8109 ltpsrprg 8176 mappsrprg 8177 cnegexlem3 8510 subeq0 8559 negcon1 8585 subexsub 8705 subeqrev 8709 lesub 8776 ltsub13 8778 subge0 8810 div11ap 9038 divmuleqap 9055 ltmuldiv2 9213 lemuldiv2 9220 nn1suc 9332 addltmul 9553 elnnnn0 9617 znn0sub 9719 prime 9755 indstr 10008 qapne 10054 qlttri2 10056 fz1n 10464 fzrev3 10510 fzo0n 10591 fzonlt0 10592 divfl0 10751 modqsubdir 10850 fzfig 10887 hashf1lem1 11306 wrdlenge1n0 11359 pfxccat3a 11531 sqrt11 11826 sqrtsq2 11830 absdiflt 11880 absdifle 11881 nnabscl 11888 minclpr 12026 xrnegiso 12052 xrnegcon1d 12054 clim2 12073 climshft2 12096 sumrbdc 12170 prodrbdclem2 12364 fprodssdc 12381 sinbnd 12543 cosbnd 12544 dvdscmulr 12611 dvdsmulcr 12612 oddm1even 12666 bitsmod 12747 bitsinv1lem 12752 qredeq 12898 cncongr2 12906 isprm3 12920 prmrp 12948 sqrt2irr 12965 crth 13030 pcdvdsb 13127 ballotfilemfc0 13289 ballotfilemfcc 13290 ssnnctlemct 13394 xpsfrnel2 13725 gzsumval2 13772 imasmnd2 13817 grpid 13902 grpidrcan 13928 grpidlcan 13929 grplmulf1o 13937 imasgrp2 13971 ghmeqker 14132 abladdsub4 14207 pwselbasb 14312 imasrng 14361 imasring 14477 lspsnss2 14864 znf1o 15094 znidom 15100 znunit 15102 znrrg 15103 gsumbagdiaglem 15184 eltg3 15300 eltop 15312 eltop2 15313 eltop3 15314 lmbrf 15458 cncnpi 15471 txcn 15518 hmeoimaf1o 15557 ismet2 15597 xmseq0 15711 wilthlem1 16249 fsumdvdsmul 16302 lgsne0 16379 lgsquadlem1 16418 lgsquadlem2 16419 2sqlem7 16462 clwwlkn1 16881 eupth2lem2dc 16922 eupth2lem3lem3fi 16933 eupth2lem3lem6fi 16934 |
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