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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 5110 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 232 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1562 class class class wbr 5102 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5103 |
| This theorem is referenced by: breqtrri 5129 3brtr3i 5131 supsrlem 11071 0lt1 11711 le9lt10 12722 9lt10 12827 hashunlei 14440 sqrt2gt1lt2 15303 trireciplem 15894 cos1bnd 16221 cos2bnd 16222 cos01gt0 16225 sin4lt0 16229 rpnnen2lem3 16250 z4even 16408 gcdaddmlem 16560 dec2dvds 17101 abvtrivd 20883 sincos4thpi 26580 log2cnv 27011 log2ublem2 27014 log2ublem3 27015 log2le1 27017 birthday 27021 harmonicbnd3 27074 lgam1 27130 basellem7 27153 ppiublem1 27268 ppiub 27270 bposlem4 27353 bposlem5 27354 bposlem9 27358 lgsdir2lem2 27392 lgsdir2lem3 27393 1reno 28592 ex-fl 30651 siilem1 31056 normlem5 31319 normlem6 31320 norm-ii-i 31342 norm3adifii 31353 cmm2i 31812 mayetes3i 31934 nmopcoadji 32306 mdoc2i 32631 dmdoc2i 32633 dp2lt10 33063 dp2ltsuc 33065 dplti 33084 sqsscirc1 34207 ballotlem1c 34807 hgt750lem 34947 problem5 36024 circum 36029 bj-pinftyccb 37718 bj-minftyccb 37722 poimirlem25 38149 cntotbnd 38300 3lexlogpow5ineq1 42676 3lexlogpow5ineq2 42677 aks4d1p1p2 42692 aks4d1p1p7 42696 posbezout 42722 aks6d1c7lem1 42802 jm2.23 43578 tr3dom 44109 halffl 45880 wallispi 46649 stirlinglem1 46653 fouriersw 46810 sinnpoly 47490 |
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