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| Mirrors > Home > ILE Home > Th. List > ltle | Unicode version | ||
| Description: 'Less than' implies 'less than or equal to'. (Contributed by NM, 25-Aug-1999.) |
| Ref | Expression |
|---|---|
| ltle |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltnsym 8417 |
. 2
| |
| 2 | lenlt 8407 |
. 2
| |
| 3 | 1, 2 | sylibrd 169 |
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-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-pre-ltirr 8297 ax-pre-lttrn 8299 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-xp 4782 df-cnv 4784 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 |
| This theorem is used by: ltlei 8434 ltled 8452 ltleap 8968 lep1 9183 lem1 9185 letrp1 9186 ltmul12a 9198 bndndx 9573 nn0ge0 9599 zletric 9697 zlelttric 9698 zltnle 9699 zleloe 9700 ltsubnn0 9721 zdcle 9730 uzind 9767 fnn0ind 9772 eluz2b2 10018 rpge0 10083 zltaddlt1le 10426 difelfznle 10558 elfzouz2 10585 elfzo0le 10613 fzosplitprm1 10669 fzostep1 10672 qletric 10692 qlelttric 10693 qltnle 10694 expgt1 11034 expnlbnd2 11123 faclbnd 11200 swrdsbslen 11459 swrdspsleq 11460 pfxccat3 11527 swrdccat 11528 caucvgrelemcau 11767 resqrexlemdecn 11799 mulcn2 12102 efcllemp 12449 sin01bnd 12548 cos01bnd 12549 sin01gt0 12553 cos01gt0 12554 absef 12561 efieq1re 12563 nn0o 12698 pythagtriplem12 13082 pythagtriplem13 13083 pythagtriplem14 13084 pythagtriplem16 13086 pclemub 13094 ballotfilemfrceq 13329 sincosq1lem 16069 tangtx 16082 chtqub 16313 bposlem9 16336 |
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