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Mirrors > Home > ILE Home > Th. List > lelttri | Unicode version |
Description: 'Less than or equal to', 'less than' transitive law. (Contributed by NM, 14-May-1999.) |
Ref | Expression |
---|---|
lt.1 | |
lt.2 | |
lt.3 |
Ref | Expression |
---|---|
lelttri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lt.1 | . 2 | |
2 | lt.2 | . 2 | |
3 | lt.3 | . 2 | |
4 | lelttr 7966 | . 2 | |
5 | 1, 2, 3, 4 | mp3an 1319 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 2128 class class class wbr 3966 cr 7732 clt 7913 cle 7914 |
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 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4083 ax-pow 4136 ax-pr 4170 ax-un 4394 ax-setind 4497 ax-cnex 7824 ax-resscn 7825 ax-pre-ltwlin 7846 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-rab 2444 df-v 2714 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3774 df-br 3967 df-opab 4027 df-xp 4593 df-cnv 4595 df-pnf 7915 df-mnf 7916 df-xr 7917 df-ltxr 7918 df-le 7919 |
This theorem is referenced by: cos2bnd 11661 |
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