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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 12001 xrmax2sup 12045 mertenslem2 12328 ege2le3 12463 cos01gt0 12555 sin02gt0 12556 cos12dec 12560 bitsfzolem 12746 bitsmod 12748 unennn 13346 dvef 15986 sin0pilem2 16042 cosq23lt0 16093 cosq34lt1 16111 cos02pilt1 16112 logbgcd1irraplemexp 16237 pellexlem2 16263 ppiqeq0 16313 ppiqub 16326 bposlem1 16344 bposlem2 16345 lgslem3 16359 lgsquadlem1 16434 lgsquadlem3 16436 trilpolemeq1 17329 |
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