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Mirrors > Home > ILE Home > Th. List > breqtrri | GIF version |
Description: Substitution of equal classes into a binary relation. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
breqtrr.1 | ⊢ 𝐴𝑅𝐵 |
breqtrr.2 | ⊢ 𝐶 = 𝐵 |
Ref | Expression |
---|---|
breqtrri | ⊢ 𝐴𝑅𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breqtrr.1 | . 2 ⊢ 𝐴𝑅𝐵 | |
2 | breqtrr.2 | . . 3 ⊢ 𝐶 = 𝐵 | |
3 | 2 | eqcomi 2144 | . 2 ⊢ 𝐵 = 𝐶 |
4 | 1, 3 | breqtri 3961 | 1 ⊢ 𝐴𝑅𝐶 |
Colors of variables: wff set class |
Syntax hints: = wceq 1332 class class class wbr 3937 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-v 2691 df-un 3080 df-sn 3538 df-pr 3539 df-op 3541 df-br 3938 |
This theorem is referenced by: 3brtr4i 3966 ensn1 6698 0lt1sr 7597 0le2 8834 2pos 8835 3pos 8838 4pos 8841 5pos 8844 6pos 8845 7pos 8846 8pos 8847 9pos 8848 1lt2 8913 2lt3 8914 3lt4 8916 4lt5 8919 5lt6 8923 6lt7 8928 7lt8 8934 8lt9 8941 nn0le2xi 9051 numltc 9231 declti 9243 sqge0i 10410 faclbnd2 10520 ege2le3 11414 cos2bnd 11503 3dvdsdec 11598 n2dvdsm1 11646 n2dvds3 11648 dveflem 12895 tangtx 12967 ex-fl 13108 pw1dom2 13361 |
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