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Mirrors > Home > ILE Home > Th. List > breqtrri | Unicode version |
Description: Substitution of equal classes into a binary relation. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
breqtrr.1 | |
breqtrr.2 |
Ref | Expression |
---|---|
breqtrri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breqtrr.1 | . 2 | |
2 | breqtrr.2 | . . 3 | |
3 | 2 | eqcomi 2143 | . 2 |
4 | 1, 3 | breqtri 3953 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1331 class class class wbr 3929 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-v 2688 df-un 3075 df-sn 3533 df-pr 3534 df-op 3536 df-br 3930 |
This theorem is referenced by: 3brtr4i 3958 ensn1 6690 0lt1sr 7573 0le2 8810 2pos 8811 3pos 8814 4pos 8817 5pos 8820 6pos 8821 7pos 8822 8pos 8823 9pos 8824 1lt2 8889 2lt3 8890 3lt4 8892 4lt5 8895 5lt6 8899 6lt7 8904 7lt8 8910 8lt9 8917 nn0le2xi 9027 numltc 9207 declti 9219 sqge0i 10379 faclbnd2 10488 ege2le3 11377 cos2bnd 11467 3dvdsdec 11562 n2dvdsm1 11610 n2dvds3 11612 dveflem 12855 tangtx 12919 ex-fl 12937 pw1dom2 13190 |
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