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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 2242 |
. 2
|
| 4 | 1, 3 | breqtri 4155 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-br 4131 |
| This theorem is used by: 3brtr4i 4160 ensn1 7083 pw1dom2 7587 0lt1sr 8133 0le2 9397 2pos 9398 3pos 9401 4pos 9404 5pos 9407 6pos 9408 7pos 9409 8pos 9410 9pos 9411 1lt2 9479 2lt3 9480 3lt4 9482 4lt5 9485 5lt6 9489 6lt7 9494 7lt8 9500 8lt9 9507 nn0le2xi 9618 numltc 9812 declti 9824 sqge0i 11078 faclbnd2 11196 ege2le3 12457 cos2bnd 12546 3dvdsdec 12651 n2dvdsm1 12699 n2dvds3 12701 pockthi 13160 dec2dvds 13213 prmlem1 13245 prmlem2 13257 1259prm 13270 dveflem 15918 tangtx 16031 birthdaylog2 16189 ppiqub 16254 bposlem7 16278 lgsdir2lem2 16314 ex-fl 16905 |
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