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Mirrors > Home > ILE Home > Th. List > eqbrtrri | GIF version |
Description: Substitution of equal classes into a binary relation. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
eqbrtrr.1 | ⊢ 𝐴 = 𝐵 |
eqbrtrr.2 | ⊢ 𝐴𝑅𝐶 |
Ref | Expression |
---|---|
eqbrtrri | ⊢ 𝐵𝑅𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqbrtrr.1 | . . 3 ⊢ 𝐴 = 𝐵 | |
2 | 1 | eqcomi 2092 | . 2 ⊢ 𝐵 = 𝐴 |
3 | eqbrtrr.2 | . 2 ⊢ 𝐴𝑅𝐶 | |
4 | 2, 3 | eqbrtri 3864 | 1 ⊢ 𝐵𝑅𝐶 |
Colors of variables: wff set class |
Syntax hints: = wceq 1289 class class class wbr 3845 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 665 ax-5 1381 ax-7 1382 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-8 1440 ax-10 1441 ax-11 1442 ax-i12 1443 ax-bndl 1444 ax-4 1445 ax-17 1464 ax-i9 1468 ax-ial 1472 ax-i5r 1473 ax-ext 2070 |
This theorem depends on definitions: df-bi 115 df-3an 926 df-tru 1292 df-nf 1395 df-sb 1693 df-clab 2075 df-cleq 2081 df-clel 2084 df-nfc 2217 df-v 2621 df-un 3003 df-sn 3452 df-pr 3453 df-op 3455 df-br 3846 |
This theorem is referenced by: 3brtr3i 3872 dju1p1e2 6821 expnass 10056 sqrt2gt1lt2 10478 cos1bnd 11046 cos2bnd 11047 |
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