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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 4118 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-un 3205 df-sn 3679 df-pr 3680 df-op 3682 df-br 4094 |
| This theorem is referenced by: 3brtr4i 4123 ensn1 7013 pw1dom2 7505 0lt1sr 8045 0le2 9292 2pos 9293 3pos 9296 4pos 9299 5pos 9302 6pos 9303 7pos 9304 8pos 9305 9pos 9306 1lt2 9372 2lt3 9373 3lt4 9375 4lt5 9378 5lt6 9382 6lt7 9387 7lt8 9393 8lt9 9400 nn0le2xi 9511 numltc 9697 declti 9709 sqge0i 10951 faclbnd2 11067 ege2le3 12312 cos2bnd 12401 3dvdsdec 12506 n2dvdsm1 12554 n2dvds3 12556 pockthi 13011 dec2dvds 13064 dveflem 15537 tangtx 15649 lgsdir2lem2 15848 ex-fl 16439 |
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