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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 4156 |
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 4132 |
| This theorem is used by: 3brtr4i 4161 ensn1 7087 pw1dom2 7592 0lt1sr 8138 0le2 9403 2pos 9404 3pos 9407 4pos 9410 5pos 9413 6pos 9414 7pos 9415 8pos 9416 9pos 9417 1lt2 9485 2lt3 9486 3lt4 9488 4lt5 9491 5lt6 9495 6lt7 9500 7lt8 9506 8lt9 9513 nn0le2xi 9624 numltc 9818 declti 9830 sqge0i 11084 faclbnd2 11202 ege2le3 12463 cos2bnd 12552 3dvdsdec 12657 n2dvdsm1 12705 n2dvds3 12707 pockthi 13166 dec2dvds 13219 prmlem1 13251 prmlem2 13263 1259prm 13276 dveflem 15952 tangtx 16065 birthdaylog2 16228 ppiqub 16293 bposlem7 16317 lgsdir2lem2 16353 ex-fl 16944 |
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