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| Mirrors > Home > ILE Home > Th. List > ltleii | Unicode version | ||
| Description: 'Less than' implies 'less than or equal to' (inference). (Contributed by NM, 22-Aug-1999.) |
| Ref | Expression |
|---|---|
| lt.1 |
|
| lt.2 |
|
| ltlei.1 |
|
| Ref | Expression |
|---|---|
| ltleii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltlei.1 |
. 2
| |
| 2 | lt.1 |
. . 3
| |
| 3 | lt.2 |
. . 3
| |
| 4 | 2, 3 | ltlei 8429 |
. 2
|
| 5 | 1, 4 | ax-mp 5 |
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 ax-un 4578 ax-setind 4684 ax-cnex 8271 ax-resscn 8272 ax-pre-ltirr 8292 ax-pre-lttrn 8294 |
| 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 4131 df-opab 4193 df-xp 4780 df-cnv 4782 df-pnf 8363 df-mnf 8364 df-xr 8365 df-ltxr 8366 df-le 8367 |
| This theorem is used by: 0le1 8811 1le2 9518 1le3 9521 halfge0 9526 decleh 9821 5eluz3 9971 uzuzle23 9972 uzuzle24 9973 uzuzle34 9974 eluz4eluz2 9978 fz0to4untppr 10542 fzo0to42pr 10649 xnn0nnen 10889 4bc2eq6 11229 resqrexlemga 11805 sqrt9 11830 sqrt2gt1lt2 11831 sqrtpclii 11913 0.999... 12307 ef01bndlem 12542 sin01bnd 12543 cos01bnd 12544 cos2bnd 12546 cos12dec 12554 flodddiv4 12722 strleun 13511 dveflem 15918 sinhalfpilem 15984 sincosq1lem 16018 sincos4thpi 16033 sincos6thpi 16035 pigt3 16037 pige3 16038 cosq34lt1 16043 cos02pilt1 16044 cos0pilt1 16045 rpabscxpbnd 16137 2logb9irr 16168 2logb9irrap 16174 log2tlbndlog2 16181 log2ublog2 16185 ppiublem1 16252 ppiqub 16254 bposlem3 16274 bposlem4 16275 bposlem5 16276 bposlem7 16278 bposlem8 16279 bposlem9 16280 lgsdir2lem1 16313 konigsbergiedgwen 16891 konigsberglem1 16895 konigsberglem2 16896 konigsberglem3 16897 ex-fl 16905 ex-gcd 16911 |
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