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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 5083 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
| 4 | 1, 3 | mpbi 232 | 1 ⊢ 𝐴𝑅𝐶 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1548 class class class wbr 5075 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-br 5076 |
| This theorem is referenced by: breqtrri 5102 3brtr3i 5104 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 20808 sincos4thpi 26499 log2cnv 26930 log2ublem2 26933 log2ublem3 26934 log2le1 26936 birthday 26940 harmonicbnd3 26993 lgam1 27049 basellem7 27072 ppiublem1 27187 ppiub 27189 bposlem4 27272 bposlem5 27273 bposlem9 27277 lgsdir2lem2 27311 lgsdir2lem3 27312 1reno 28511 ex-fl 30539 siilem1 30944 normlem5 31207 normlem6 31208 norm-ii-i 31230 norm3adifii 31241 cmm2i 31700 mayetes3i 31822 nmopcoadji 32194 mdoc2i 32519 dmdoc2i 32521 dp2lt10 32966 dp2ltsuc 32968 dplti 32987 sqsscirc1 34104 ballotlem1c 34704 hgt750lem 34847 problem5 35912 circum 35917 bj-pinftyccb 37596 bj-minftyccb 37600 poimirlem25 38027 cntotbnd 38178 3lexlogpow5ineq1 42554 3lexlogpow5ineq2 42555 aks4d1p1p2 42570 aks4d1p1p7 42574 posbezout 42600 aks6d1c7lem1 42680 jm2.23 43456 tr3dom 43987 halffl 45758 wallispi 46527 stirlinglem1 46531 fouriersw 46688 sinnpoly 47368 |
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