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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 4141 |
. 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 4132 |
| This theorem is used by: eqbrtrrdi 4171 pm54.43 7542 recapb 9009 nn0ledivnn 10185 xltnegi 10254 leexp1a 11052 facwordi 11200 faclbnd3 11203 resqrexlemlo 11801 efap0 12469 dvds1 12645 ballotfilemrc 13332 en1top 15303 dvef 15953 rpabscxpbnd 16175 bposlem1 16311 bposlem5 16315 zabsle1 16323 lgseisen 16398 lgsquadlem2 16402 upgr2wlkdc 16823 trirec0 17300 |
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