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| Mirrors > Home > ILE Home > Th. List > eqbrtrdi | Unicode version | ||
| Description: A chained equality inference for a binary relation. (Contributed by NM, 12-Oct-1999.) |
| Ref | Expression |
|---|---|
| eqbrtrdi.1 |
|
| eqbrtrdi.2 |
|
| Ref | Expression |
|---|---|
| eqbrtrdi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqbrtrdi.2 |
. 2
| |
| 2 | eqbrtrdi.1 |
. . 3
| |
| 3 | 2 | breq1d 4140 |
. 2
|
| 4 | 1, 3 | mpbiri 168 |
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: eqbrtrrdi 4170 pm54.43 7537 recapb 9004 nn0ledivnn 10179 xltnegi 10248 leexp1a 11046 facwordi 11194 faclbnd3 11197 resqrexlemlo 11795 efap0 12463 dvds1 12639 ballotfilemrc 13326 en1top 15269 dvef 15919 rpabscxpbnd 16137 bposlem1 16272 bposlem5 16276 zabsle1 16284 lgseisen 16359 lgsquadlem2 16363 upgr2wlkdc 16784 trirec0 17260 |
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