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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 5121 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 233 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 class class class wbr 5113 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5114 |
| This theorem is referenced by: breqtrri 5142 3brtr3i 5144 supsrlem 11096 0lt1 11736 le9lt10 12743 9lt10 12848 hashunlei 14462 sqrt2gt1lt2 15325 trireciplem 15916 cos1bnd 16243 cos2bnd 16244 cos01gt0 16247 sin4lt0 16251 rpnnen2lem3 16272 z4even 16430 gcdaddmlem 16582 dec2dvds 17123 abvtrivd 20913 sincos4thpi 26644 log2cnv 27075 log2ublem2 27078 log2ublem3 27079 log2le1 27081 birthday 27085 harmonicbnd3 27138 lgam1 27194 basellem7 27217 ppiublem1 27332 ppiub 27334 bposlem4 27417 bposlem5 27418 bposlem9 27422 lgsdir2lem2 27456 lgsdir2lem3 27457 1reno 28656 ex-fl 30739 siilem1 31144 normlem5 31407 normlem6 31408 norm-ii-i 31430 norm3adifii 31441 cmm2i 31900 mayetes3i 32022 nmopcoadji 32394 mdoc2i 32719 dmdoc2i 32721 dp2lt10 33144 dp2ltsuc 33146 dplti 33165 sqsscirc1 34243 ballotlem1c 34843 hgt750lem 34983 problem5 36094 circum 36099 bj-pinftyccb 37787 bj-minftyccb 37791 poimirlem25 38218 cntotbnd 38369 3lexlogpow5ineq1 42745 3lexlogpow5ineq2 42746 aks4d1p1p2 42761 aks4d1p1p7 42765 posbezout 42791 aks6d1c7lem1 42871 jm2.23 43649 tr3dom 44180 halffl 45941 wallispi 46710 stirlinglem1 46714 fouriersw 46871 sinnpoly 47551 |
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