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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 5094 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 230 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 class class class wbr 5086 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 |
| This theorem is referenced by: breqtrri 5113 3brtr3i 5115 supsrlem 11029 0lt1 11667 le9lt10 12666 9lt10 12770 hashunlei 14382 sqrt2gt1lt2 15231 trireciplem 15822 cos1bnd 16149 cos2bnd 16150 cos01gt0 16153 sin4lt0 16157 rpnnen2lem3 16178 z4even 16336 gcdaddmlem 16488 dec2dvds 17029 abvtrivd 20804 sincos4thpi 26494 log2cnv 26925 log2ublem2 26928 log2ublem3 26929 log2le1 26931 birthday 26935 harmonicbnd3 26989 lgam1 27045 basellem7 27068 ppiublem1 27183 ppiub 27185 bposlem4 27268 bposlem5 27269 bposlem9 27273 lgsdir2lem2 27307 lgsdir2lem3 27308 1reno 28507 ex-fl 30536 siilem1 30941 normlem5 31204 normlem6 31205 norm-ii-i 31227 norm3adifii 31238 cmm2i 31697 mayetes3i 31819 nmopcoadji 32191 mdoc2i 32516 dmdoc2i 32518 dp2lt10 32962 dp2ltsuc 32964 dplti 32983 sqsscirc1 34072 ballotlem1c 34672 hgt750lem 34815 problem5 35871 circum 35876 bj-pinftyccb 37555 bj-minftyccb 37559 poimirlem25 37984 cntotbnd 38135 3lexlogpow5ineq1 42511 3lexlogpow5ineq2 42512 aks4d1p1p2 42527 aks4d1p1p7 42531 posbezout 42557 aks6d1c7lem1 42637 jm2.23 43446 tr3dom 43977 halffl 45751 wallispi 46520 stirlinglem1 46524 fouriersw 46681 sinnpoly 47355 |
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