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| Mirrors > Home > ILE Home > Th. List > breqtrdi | Unicode version | ||
| Description: A chained equality inference for a binary relation. (Contributed by NM, 11-Oct-1999.) |
| Ref | Expression |
|---|---|
| breqtrdi.1 |
|
| breqtrdi.2 |
|
| Ref | Expression |
|---|---|
| breqtrdi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breqtrdi.1 |
. 2
| |
| 2 | eqid 2238 |
. 2
| |
| 3 | breqtrdi.2 |
. 2
| |
| 4 | 1, 2, 3 | 3brtr3g 4163 |
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: breqtrrdi 4172 en2eleq 7548 en2other2 7549 dju0en 7571 ltm1sr 8145 maxle2 11994 xrmax2sup 12038 mertenslem2 12321 ege2le3 12456 cos01gt0 12548 sin02gt0 12549 cos12dec 12553 bitsfzolem 12739 bitsmod 12741 unennn 13339 dvef 15880 sin0pilem2 15936 cosq23lt0 15987 cosq34lt1 16004 cos02pilt1 16005 logbgcd1irraplemexp 16126 pellexlem2 16152 ppiqeq0 16202 ppiqub 16215 bposlem1 16233 bposlem2 16234 lgslem3 16243 lgsquadlem1 16318 lgsquadlem3 16320 trilpolemeq1 17211 |
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