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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 7187 | . 2 | |
4 | 1, 2, 3 | syl2anc 403 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wb 103 wcel 1433 class class class wbr 3785 cr 6980 clt 7153 cle 7154 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-br 3786 df-opab 3840 df-xp 4369 df-cnv 4371 df-xr 7157 df-le 7159 |
This theorem is referenced by: ltnsymd 7229 nltled 7230 lensymd 7231 leadd1 7534 lemul1 7693 leltap 7724 ap0gt0 7738 prodgt0 7930 prodge0 7932 lediv1 7947 lemuldiv 7959 lerec 7962 lt2msq 7964 le2msq 7979 squeeze0 7982 suprleubex 8032 0mnnnnn0 8320 elnn0z 8364 uzm1 8649 fztri3or 9058 fzdisj 9071 uzdisj 9110 nn0disj 9148 fzouzdisj 9189 elfzonelfzo 9239 flqeqceilz 9320 modifeq2int 9388 modsumfzodifsn 9398 expival 9478 expcanlem 9643 resqrexlemoverl 9907 leabs 9960 absle 9975 maxleast 10099 minmax 10112 climge0 10163 |
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