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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 2193 | . 2 ⊢ 𝐵 = 𝐴 |
3 | eqbrtrr.2 | . 2 ⊢ 𝐴𝑅𝐶 | |
4 | 2, 3 | eqbrtri 4039 | 1 ⊢ 𝐵𝑅𝐶 |
Colors of variables: wff set class |
Syntax hints: = wceq 1364 class class class wbr 4018 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-v 2754 df-un 3148 df-sn 3613 df-pr 3614 df-op 3616 df-br 4019 |
This theorem is referenced by: 3brtr3i 4047 dju1p1e2 7225 expnass 10656 sqrt2gt1lt2 11089 cos1bnd 11798 cos2bnd 11799 infpn2 12506 2strstr1g 12630 coseq00topi 14708 pigt3 14717 |
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