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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 5108 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 230 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 class class class wbr 5100 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 |
| This theorem is referenced by: breqtrri 5127 3brtr3i 5129 supsrlem 11036 0lt1 11673 le9lt10 12648 9lt10 12752 hashunlei 14362 sqrt2gt1lt2 15211 trireciplem 15799 cos1bnd 16126 cos2bnd 16127 cos01gt0 16130 sin4lt0 16134 rpnnen2lem3 16155 z4even 16313 gcdaddmlem 16465 dec2dvds 17005 abvtrivd 20782 sincos4thpi 26495 log2cnv 26927 log2ublem2 26930 log2ublem3 26931 log2le1 26933 birthday 26937 harmonicbnd3 26991 lgam1 27047 basellem7 27070 ppiublem1 27186 ppiub 27188 bposlem4 27271 bposlem5 27272 bposlem9 27276 lgsdir2lem2 27310 lgsdir2lem3 27311 1reno 28510 ex-fl 30540 siilem1 30945 normlem5 31208 normlem6 31209 norm-ii-i 31231 norm3adifii 31242 cmm2i 31701 mayetes3i 31823 nmopcoadji 32195 mdoc2i 32520 dmdoc2i 32522 dp2lt10 32982 dp2ltsuc 32984 dplti 33003 sqsscirc1 34092 ballotlem1c 34692 hgt750lem 34835 problem5 35891 circum 35896 bj-pinftyccb 37503 bj-minftyccb 37507 poimirlem25 37925 cntotbnd 38076 3lexlogpow5ineq1 42453 3lexlogpow5ineq2 42454 aks4d1p1p2 42469 aks4d1p1p7 42473 posbezout 42499 aks6d1c7lem1 42579 jm2.23 43382 tr3dom 43913 halffl 45687 wallispi 46457 stirlinglem1 46461 fouriersw 46618 sinnpoly 47280 |
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