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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 2235 |
. 2
|
| 4 | 1, 3 | breqtri 4113 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-v 2804 df-un 3204 df-sn 3675 df-pr 3676 df-op 3678 df-br 4089 |
| This theorem is referenced by: 3brtr4i 4118 ensn1 6969 pw1dom2 7444 0lt1sr 7984 0le2 9232 2pos 9233 3pos 9236 4pos 9239 5pos 9242 6pos 9243 7pos 9244 8pos 9245 9pos 9246 1lt2 9312 2lt3 9313 3lt4 9315 4lt5 9318 5lt6 9322 6lt7 9327 7lt8 9333 8lt9 9340 nn0le2xi 9451 numltc 9635 declti 9647 sqge0i 10887 faclbnd2 11003 ege2le3 12231 cos2bnd 12320 3dvdsdec 12425 n2dvdsm1 12473 n2dvds3 12475 pockthi 12930 dec2dvds 12983 dveflem 15449 tangtx 15561 lgsdir2lem2 15757 ex-fl 16321 |
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