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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 2085 | . 2 |
4 | 1, 3 | breqtri 3808 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1284 class class class wbr 3785 |
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 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-v 2603 df-un 2977 df-sn 3404 df-pr 3405 df-op 3407 df-br 3786 |
This theorem is referenced by: 3brtr4i 3813 ensn1 6299 0lt1sr 6942 0le2 8129 2pos 8130 3pos 8133 4pos 8136 5pos 8139 6pos 8140 7pos 8141 8pos 8142 9pos 8143 1lt2 8201 2lt3 8202 3lt4 8204 4lt5 8207 5lt6 8211 6lt7 8216 7lt8 8222 8lt9 8229 nn0le2xi 8338 numltc 8502 declti 8514 sqge0i 9562 faclbnd2 9669 3dvdsdec 10264 n2dvdsm1 10313 n2dvds3 10315 ex-fl 10563 |
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