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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 5107 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 230 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 class class class wbr 5099 |
| 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 2709 |
| 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 2716 df-cleq 2729 df-clel 2812 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 |
| This theorem is referenced by: breqtrri 5126 3brtr3i 5128 supsrlem 11026 0lt1 11663 le9lt10 12638 9lt10 12742 hashunlei 14352 sqrt2gt1lt2 15201 trireciplem 15789 cos1bnd 16116 cos2bnd 16117 cos01gt0 16120 sin4lt0 16124 rpnnen2lem3 16145 z4even 16303 gcdaddmlem 16455 dec2dvds 16995 abvtrivd 20769 sincos4thpi 26482 log2cnv 26914 log2ublem2 26917 log2ublem3 26918 log2le1 26920 birthday 26924 harmonicbnd3 26978 lgam1 27034 basellem7 27057 ppiublem1 27173 ppiub 27175 bposlem4 27258 bposlem5 27259 bposlem9 27263 lgsdir2lem2 27297 lgsdir2lem3 27298 1reno 28497 ex-fl 30526 siilem1 30930 normlem5 31193 normlem6 31194 norm-ii-i 31216 norm3adifii 31227 cmm2i 31686 mayetes3i 31808 nmopcoadji 32180 mdoc2i 32505 dmdoc2i 32507 dp2lt10 32967 dp2ltsuc 32969 dplti 32988 sqsscirc1 34067 ballotlem1c 34667 hgt750lem 34810 problem5 35865 circum 35870 bj-pinftyccb 37428 bj-minftyccb 37432 poimirlem25 37848 cntotbnd 37999 3lexlogpow5ineq1 42376 3lexlogpow5ineq2 42377 aks4d1p1p2 42392 aks4d1p1p7 42396 posbezout 42422 aks6d1c7lem1 42502 jm2.23 43305 tr3dom 43836 halffl 45611 wallispi 46381 stirlinglem1 46385 fouriersw 46542 sinnpoly 47204 |
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