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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 4310 copsex2t 4385 copsex2g 4386 fnssresb 5495 fcnvres 5575 foelcdmi 5755 dmfco 5773 funimass5 5826 fmptco 5874 cbvfo 5991 cbvexfo 5992 isocnv 6017 isoini 6024 isoselem 6026 riota2df 6060 ovmpodxf 6214 caovcanrd 6253 suppimacnvfn 6486 fidcenumlemrks 7270 ordiso2 7375 ltpiord 7686 dfplpq2 7721 dfmpq2 7722 enqeceq 7726 enq0eceq 7804 enreceq 8103 ltpsrprg 8170 mappsrprg 8171 cnegexlem3 8503 subeq0 8552 negcon1 8578 subexsub 8698 subeqrev 8702 lesub 8769 ltsub13 8771 subge0 8803 div11ap 9031 divmuleqap 9048 ltmuldiv2 9206 lemuldiv2 9213 nn1suc 9324 addltmul 9544 elnnnn0 9608 znn0sub 9712 prime 9747 indstr 9995 qapne 10041 qlttri2 10043 fz1n 10450 fzrev3 10496 fzo0n 10577 fzonlt0 10578 divfl0 10733 modqsubdir 10832 fzfig 10869 hashf1lem1 11287 wrdlenge1n0 11340 pfxccat3a 11512 sqrt11 11807 sqrtsq2 11811 absdiflt 11860 absdifle 11861 nnabscl 11868 minclpr 12005 xrnegiso 12030 xrnegcon1d 12032 clim2 12051 climshft2 12074 sumrbdc 12148 prodrbdclem2 12342 fprodssdc 12359 sinbnd 12521 cosbnd 12522 dvdscmulr 12589 dvdsmulcr 12590 oddm1even 12644 bitsmod 12725 bitsinv1lem 12730 qredeq 12876 cncongr2 12884 isprm3 12898 prmrp 12925 sqrt2irr 12942 crth 13004 pcdvdsb 13101 ballotfilemfc0 13234 ballotfilemfcc 13235 ssnnctlemct 13339 xpsfrnel2 13669 gzsumval2 13716 imasmnd2 13761 grpid 13846 grpidrcan 13872 grpidlcan 13873 grplmulf1o 13881 imasgrp2 13915 ghmeqker 14076 abladdsub4 14120 pwselbasb 14208 imasrng 14257 imasring 14371 lspsnss2 14758 znf1o 14988 znidom 14994 znunit 14996 znrrg 14997 eltg3 15160 eltop 15172 eltop2 15173 eltop3 15174 lmbrf 15318 cncnpi 15331 txcn 15378 hmeoimaf1o 15417 ismet2 15457 xmseq0 15571 wilthlem1 16100 fsumdvdsmul 16111 lgsne0 16169 lgsquadlem1 16208 lgsquadlem2 16209 2sqlem7 16252 clwwlkn1 16671 eupth2lem2dc 16712 eupth2lem3lem3fi 16723 eupth2lem3lem6fi 16724 |
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