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Mirrors > Home > ILE Home > Th. List > lenltd | Unicode version |
Description: 'Less than or equal to' in terms of 'less than'. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
ltd.1 | |
ltd.2 |
Ref | Expression |
---|---|
lenltd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltd.1 | . 2 | |
2 | ltd.2 | . 2 | |
3 | lenlt 7843 | . 2 | |
4 | 1, 2, 3 | syl2anc 408 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wb 104 wcel 1480 class class class wbr 3929 cr 7622 clt 7803 cle 7804 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-br 3930 df-opab 3990 df-xp 4545 df-cnv 4547 df-xr 7807 df-le 7809 |
This theorem is referenced by: ltnsymd 7885 nltled 7886 lensymd 7887 leadd1 8195 lemul1 8358 leltap 8390 ap0gt0 8405 prodgt0 8613 prodge0 8615 lediv1 8630 lemuldiv 8642 lerec 8645 lt2msq 8647 le2msq 8662 squeeze0 8665 suprleubex 8715 0mnnnnn0 9012 elnn0z 9070 uzm1 9359 fztri3or 9822 fzdisj 9835 uzdisj 9876 nn0disj 9918 fzouzdisj 9960 elfzonelfzo 10010 flqeqceilz 10094 modifeq2int 10162 modsumfzodifsn 10172 expcanlem 10465 fimaxq 10576 resqrexlemoverl 10796 leabs 10849 absle 10864 maxleast 10988 minmax 11004 climge0 11097 efler 11408 |
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