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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 5118 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 𝐴𝑅𝐶) |
4 | 1, 3 | mpbi 229 | 1 ⊢ 𝐴𝑅𝐶 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1541 class class class wbr 5110 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-br 5111 |
This theorem is referenced by: breqtrri 5137 3brtr3i 5139 supsrlem 11056 0lt1 11686 le9lt10 12654 9lt10 12758 hashunlei 14335 sqrt2gt1lt2 15171 trireciplem 15758 cos1bnd 16080 cos2bnd 16081 cos01gt0 16084 sin4lt0 16088 rpnnen2lem3 16109 z4even 16265 gcdaddmlem 16415 dec2dvds 16946 abvtrivd 20355 sincos4thpi 25907 log2cnv 26331 log2ublem2 26334 log2ublem3 26335 log2le1 26337 birthday 26341 harmonicbnd3 26394 lgam1 26450 basellem7 26473 ppiublem1 26587 ppiub 26589 bposlem4 26672 bposlem5 26673 bposlem9 26677 lgsdir2lem2 26711 lgsdir2lem3 26712 ex-fl 29454 siilem1 29856 normlem5 30119 normlem6 30120 norm-ii-i 30142 norm3adifii 30153 cmm2i 30612 mayetes3i 30734 nmopcoadji 31106 mdoc2i 31431 dmdoc2i 31433 dp2lt10 31810 dp2ltsuc 31812 dplti 31831 sqsscirc1 32578 ballotlem1c 33196 hgt750lem 33353 problem5 34344 circum 34349 bj-pinftyccb 35765 bj-minftyccb 35769 poimirlem25 36176 cntotbnd 36328 3lexlogpow5ineq1 40584 3lexlogpow5ineq2 40585 aks4d1p1p2 40600 aks4d1p1p7 40604 jm2.23 41378 tr3dom 41922 halffl 43651 wallispi 44431 stirlinglem1 44435 fouriersw 44592 |
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