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Mirrors > Home > ILE Home > Th. List > bitr3d | GIF version |
Description: Deduction form of bitr3i 185. (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 140 | . 2 ⊢ (𝜑 → (𝜒 ↔ 𝜓)) |
3 | bitr3d.2 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) | |
4 | 2, 3 | bitrd 187 | 1 ⊢ (𝜑 → (𝜒 ↔ 𝜃)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: 3bitrrd 214 3bitr3d 217 3bitr3rd 218 pm5.16 814 biassdc 1374 pm5.24dc 1377 anxordi 1379 sbequ12a 1747 drex1 1771 sbcomxyyz 1946 sb9v 1954 csbiebt 3044 prsspwg 3687 bnd2 4105 copsex2t 4175 copsex2g 4176 fnssresb 5243 fcnvres 5314 dmfco 5497 funimass5 5545 fmptco 5594 cbvfo 5694 cbvexfo 5695 isocnv 5720 isoini 5727 isoselem 5729 riota2df 5758 ovmpodxf 5904 caovcanrd 5942 fidcenumlemrks 6849 ordiso2 6928 ltpiord 7151 dfplpq2 7186 dfmpq2 7187 enqeceq 7191 enq0eceq 7269 enreceq 7568 ltpsrprg 7635 mappsrprg 7636 cnegexlem3 7963 subeq0 8012 negcon1 8038 subexsub 8158 subeqrev 8162 lesub 8227 ltsub13 8229 subge0 8261 div11ap 8484 divmuleqap 8501 ltmuldiv2 8657 lemuldiv2 8664 nn1suc 8763 addltmul 8980 elnnnn0 9044 znn0sub 9143 prime 9174 indstr 9415 qapne 9458 qlttri2 9460 fz1n 9855 fzrev3 9898 fzonlt0 9975 divfl0 10100 modqsubdir 10197 fzfig 10234 sqrt11 10843 sqrtsq2 10847 absdiflt 10896 absdifle 10897 nnabscl 10904 minclpr 11040 xrnegiso 11063 xrnegcon1d 11065 clim2 11084 climshft2 11107 sumrbdc 11180 prodrbdclem2 11374 sinbnd 11495 cosbnd 11496 dvdscmulr 11558 dvdsmulcr 11559 oddm1even 11608 qredeq 11813 cncongr2 11821 isprm3 11835 prmrp 11859 sqrt2irr 11876 crth 11936 eltg3 12265 eltop 12277 eltop2 12278 eltop3 12279 lmbrf 12423 cncnpi 12436 txcn 12483 hmeoimaf1o 12522 ismet2 12562 xmseq0 12676 |
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