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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 5111 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 233 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 class class class wbr 5103 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 |
| This theorem is used by: breqtrri 5132 3brtr3i 5134 supsrlem 11123 0lt1 11763 le9lt10 12771 9lt10 12876 hashunlei 14493 sqrt2gt1lt2 15364 trireciplem 15954 cos1bnd 16278 cos2bnd 16279 cos01gt0 16282 sin4lt0 16286 rpnnen2lem3 16307 z4even 16465 gcdaddmlem 16617 dec2dvds 17158 abvtrivd 21001 sincos4thpi 26754 log2cnv 27184 log2ublem2 27187 log2ublem3 27188 log2le1 27190 birthday 27194 harmonicbnd3 27247 lgam1 27303 basellem7 27326 ppiublem1 27441 ppiub 27443 bposlem4 27526 bposlem5 27527 bposlem9 27531 lgsdir2lem2 27565 lgsdir2lem3 27566 1reno 28765 ex-fl 30930 siilem1 31335 normlem5 31598 normlem6 31599 norm-ii-i 31621 norm3adifii 31632 cmm2i 32091 mayetes3i 32213 nmopcoadji 32585 mdoc2i 32910 dmdoc2i 32912 dp2lt10 33332 dp2ltsuc 33334 dplti 33353 sqsscirc1 34421 ballotlem1c 35022 hgt750lem 35162 problem5 36251 circum 36256 bj-pinftyccb 37976 bj-minftyccb 37980 poimirlem25 38397 cntotbnd 38549 3lexlogpow5ineq1 42923 3lexlogpow5ineq2 42924 aks4d1p1p2 42939 aks4d1p1p7 42943 posbezout 42969 aks6d1c7lem1 43049 jm2.23 43840 tr3dom 44371 halffl 46132 wallispi 46901 stirlinglem1 46905 fouriersw 47062 goldratval 47757 |
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