| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 7586 0lt1sr 8132 0le2 9394 2pos 9395 3pos 9398 4pos 9401 5pos 9404 6pos 9405 7pos 9406 8pos 9407 9pos 9408 1lt2 9474 2lt3 9475 3lt4 9477 4lt5 9480 5lt6 9484 6lt7 9489 7lt8 9495 8lt9 9502 nn0le2xi 9613 numltc 9802 declti 9814 sqge0i 11063 faclbnd2 11180 ege2le3 12438 cos2bnd 12527 3dvdsdec 12632 n2dvdsm1 12680 n2dvds3 12682 pockthi 13137 dec2dvds 13190 dveflem 15827 tangtx 15939 birthdaylog2 16090 lgsdir2lem2 16148 ex-fl 16739 |
| Copyright terms: Public domain | W3C validator |