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| Mirrors > Home > ILE Home > Th. List > nltled | Unicode version | ||
| Description: 'Not less than ' implies 'less than or equal to'. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
| Ref | Expression |
|---|---|
| ltd.1 |
|
| ltd.2 |
|
| nltled.1 |
|
| Ref | Expression |
|---|---|
| nltled |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nltled.1 |
. 2
| |
| 2 | ltd.1 |
. . 3
| |
| 3 | ltd.2 |
. . 3
| |
| 4 | 2, 3 | lenltd 8446 |
. 2
|
| 5 | 1, 4 | mpbird 167 |
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 4249 ax-pow 4311 ax-pr 4346 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 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-ral 2533 df-rex 2534 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-br 4131 df-opab 4193 df-xp 4780 df-cnv 4782 df-xr 8365 df-le 8367 |
| This theorem is used by: ltntri 8456 suprubex 9284 infregelbex 10008 zsupcl 10675 zssinfcl 10676 infssuzledc 10678 seqf1oglem1 10971 cvgratz 12318 bitsfzolem 12740 bitsmod 12742 dvdslegcd 12760 pwbdvdseulemle 12965 gzsumfzval 13764 gzsumcl 13857 gzsumreidx 14225 gzsumsubmcl 14226 gzsummhm 14229 dedekindeulemuub 15809 dedekindeulemlu 15813 suplociccex 15817 dedekindicclemuub 15818 dedekindicclemlu 15822 ivthinclemlopn 15828 ivthinclemuopn 15830 dichmul0orlem5 16923 dichmul0orlem6 16924 refeq 17239 |
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