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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 5093 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 230 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 class class class wbr 5085 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 |
| This theorem is referenced by: breqtrri 5112 3brtr3i 5114 supsrlem 11034 0lt1 11672 le9lt10 12671 9lt10 12775 hashunlei 14387 sqrt2gt1lt2 15236 trireciplem 15827 cos1bnd 16154 cos2bnd 16155 cos01gt0 16158 sin4lt0 16162 rpnnen2lem3 16183 z4even 16341 gcdaddmlem 16493 dec2dvds 17034 abvtrivd 20809 sincos4thpi 26477 log2cnv 26908 log2ublem2 26911 log2ublem3 26912 log2le1 26914 birthday 26918 harmonicbnd3 26971 lgam1 27027 basellem7 27050 ppiublem1 27165 ppiub 27167 bposlem4 27250 bposlem5 27251 bposlem9 27255 lgsdir2lem2 27289 lgsdir2lem3 27290 1reno 28489 ex-fl 30517 siilem1 30922 normlem5 31185 normlem6 31186 norm-ii-i 31208 norm3adifii 31219 cmm2i 31678 mayetes3i 31800 nmopcoadji 32172 mdoc2i 32497 dmdoc2i 32499 dp2lt10 32943 dp2ltsuc 32945 dplti 32964 sqsscirc1 34052 ballotlem1c 34652 hgt750lem 34795 problem5 35851 circum 35856 bj-pinftyccb 37535 bj-minftyccb 37539 poimirlem25 37966 cntotbnd 38117 3lexlogpow5ineq1 42493 3lexlogpow5ineq2 42494 aks4d1p1p2 42509 aks4d1p1p7 42513 posbezout 42539 aks6d1c7lem1 42619 jm2.23 43424 tr3dom 43955 halffl 45729 wallispi 46498 stirlinglem1 46502 fouriersw 46659 sinnpoly 47339 |
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