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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 4164 |
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: breqtrrdi 4173 en2eleq 7554 en2other2 7555 dju0en 7577 ltm1sr 8151 maxle2 12002 xrmax2sup 12046 mertenslem2 12329 ege2le3 12464 cos01gt0 12556 sin02gt0 12557 cos12dec 12561 bitsfzolem 12747 bitsmod 12749 unennn 13347 dvef 15965 sin0pilem2 16021 cosq23lt0 16072 cosq34lt1 16090 cos02pilt1 16091 logbgcd1irraplemexp 16216 pellexlem2 16242 ppiqeq0 16292 ppiqub 16305 bposlem1 16323 bposlem2 16324 lgslem3 16338 lgsquadlem1 16413 lgsquadlem3 16415 trilpolemeq1 17308 |
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