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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 7276 ordiso2 7382 ltpiord 7693 dfplpq2 7728 dfmpq2 7729 enqeceq 7733 enq0eceq 7811 enreceq 8110 ltpsrprg 8177 mappsrprg 8178 cnegexlem3 8511 subeq0 8560 negcon1 8586 subexsub 8706 subeqrev 8710 lesub 8777 ltsub13 8779 subge0 8811 div11ap 9039 divmuleqap 9056 ltmuldiv2 9214 lemuldiv2 9221 nn1suc 9333 addltmul 9554 elnnnn0 9618 znn0sub 9722 prime 9757 indstr 10010 qapne 10056 qlttri2 10058 fz1n 10466 fzrev3 10512 fzo0n 10593 fzonlt0 10594 divfl0 10753 modqsubdir 10852 fzfig 10889 hashf1lem1 11308 wrdlenge1n0 11361 pfxccat3a 11533 sqrt11 11828 sqrtsq2 11832 absdiflt 11882 absdifle 11883 nnabscl 11890 minclpr 12028 xrnegiso 12054 xrnegcon1d 12056 clim2 12075 climshft2 12098 sumrbdc 12172 prodrbdclem2 12366 fprodssdc 12383 sinbnd 12545 cosbnd 12546 dvdscmulr 12613 dvdsmulcr 12614 oddm1even 12668 bitsmod 12749 bitsinv1lem 12754 qredeq 12900 cncongr2 12908 isprm3 12922 prmrp 12950 sqrt2irr 12967 crth 13032 pcdvdsb 13129 ballotfilemfc0 13291 ballotfilemfcc 13292 ssnnctlemct 13396 xpsfrnel2 13727 gzsumval2 13774 imasmnd2 13819 grpid 13904 grpidrcan 13930 grpidlcan 13931 grplmulf1o 13939 imasgrp2 13973 ghmeqker 14134 abladdsub4 14209 pwselbasb 14314 imasrng 14363 imasring 14479 lspsnss2 14866 znf1o 15096 znidom 15102 znunit 15104 znrrg 15105 gsumbagdiaglem 15180 eltg3 15295 eltop 15307 eltop2 15308 eltop3 15309 lmbrf 15453 cncnpi 15466 txcn 15513 hmeoimaf1o 15552 ismet2 15592 xmseq0 15706 wilthlem1 16244 fsumdvdsmul 16297 lgsne0 16374 lgsquadlem1 16413 lgsquadlem2 16414 2sqlem7 16457 clwwlkn1 16876 eupth2lem2dc 16917 eupth2lem3lem3fi 16928 eupth2lem3lem6fi 16929 |
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