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| Mirrors > Home > MPE Home > Th. List > breqtri | Structured version Visualization version GIF version | ||
| Description: Substitution of equal classes into a binary relation. (Contributed by NM, 1-Aug-1999.) |
| Ref | Expression |
|---|---|
| breqtr.1 | ⊢ 𝐴𝑅𝐵 |
| breqtr.2 | ⊢ 𝐵 = 𝐶 |
| Ref | Expression |
|---|---|
| breqtri | ⊢ 𝐴𝑅𝐶 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breqtr.1 | . 2 ⊢ 𝐴𝑅𝐵 | |
| 2 | breqtr.2 | . . 3 ⊢ 𝐵 = 𝐶 | |
| 3 | 2 | breq2i 5104 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 230 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 class class class wbr 5096 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-br 5097 |
| This theorem is referenced by: breqtrri 5123 3brtr3i 5125 supsrlem 11020 0lt1 11657 le9lt10 12632 9lt10 12736 hashunlei 14346 sqrt2gt1lt2 15195 trireciplem 15783 cos1bnd 16110 cos2bnd 16111 cos01gt0 16114 sin4lt0 16118 rpnnen2lem3 16139 z4even 16297 gcdaddmlem 16449 dec2dvds 16989 abvtrivd 20763 sincos4thpi 26476 log2cnv 26908 log2ublem2 26911 log2ublem3 26912 log2le1 26914 birthday 26918 harmonicbnd3 26972 lgam1 27028 basellem7 27051 ppiublem1 27167 ppiub 27169 bposlem4 27252 bposlem5 27253 bposlem9 27257 lgsdir2lem2 27291 lgsdir2lem3 27292 1reno 28442 ex-fl 30471 siilem1 30875 normlem5 31138 normlem6 31139 norm-ii-i 31161 norm3adifii 31172 cmm2i 31631 mayetes3i 31753 nmopcoadji 32125 mdoc2i 32450 dmdoc2i 32452 dp2lt10 32914 dp2ltsuc 32916 dplti 32935 sqsscirc1 34014 ballotlem1c 34614 hgt750lem 34757 problem5 35812 circum 35817 bj-pinftyccb 37365 bj-minftyccb 37369 poimirlem25 37785 cntotbnd 37936 3lexlogpow5ineq1 42247 3lexlogpow5ineq2 42248 aks4d1p1p2 42263 aks4d1p1p7 42267 posbezout 42293 aks6d1c7lem1 42373 jm2.23 43180 tr3dom 43711 halffl 45486 wallispi 46256 stirlinglem1 46260 fouriersw 46417 sinnpoly 47079 |
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