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| Mirrors > Home > ILE Home > Th. List > ltleii | GIF version | ||
| Description: 'Less than' implies 'less than or equal to' (inference). (Contributed by NM, 22-Aug-1999.) |
| Ref | Expression |
|---|---|
| lt.1 | ⊢ 𝐴 ∈ ℝ |
| lt.2 | ⊢ 𝐵 ∈ ℝ |
| ltlei.1 | ⊢ 𝐴 < 𝐵 |
| Ref | Expression |
|---|---|
| ltleii | ⊢ 𝐴 ≤ 𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltlei.1 | . 2 ⊢ 𝐴 < 𝐵 | |
| 2 | lt.1 | . . 3 ⊢ 𝐴 ∈ ℝ | |
| 3 | lt.2 | . . 3 ⊢ 𝐵 ∈ ℝ | |
| 4 | 2, 3 | ltlei 8417 | . 2 ⊢ (𝐴 < 𝐵 → 𝐴 ≤ 𝐵) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ 𝐴 ≤ 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 class class class wbr 4125 ℝcr 8168 < clt 8350 ≤ cle 8351 |
| This theorem was proved from 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 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-pre-ltirr 8281 ax-pre-lttrn 8283 |
| This theorem 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 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-xp 4775 df-cnv 4777 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 |
| This theorem is referenced by: 0le1 8799 1le2 9492 1le3 9495 halfge0 9500 decleh 9790 5eluz3 9940 uzuzle23 9941 uzuzle24 9942 uzuzle34 9943 eluz4eluz2 9947 fz0to4untppr 10509 fzo0to42pr 10616 xnn0nnen 10852 4bc2eq6 11191 resqrexlemga 11767 sqrt9 11792 sqrt2gt1lt2 11793 sqrtpclii 11874 0.999... 12266 ef01bndlem 12501 sin01bnd 12502 cos01bnd 12503 cos2bnd 12505 cos12dec 12513 flodddiv4 12681 strleun 13435 dveflem 15750 sinhalfpilem 15815 sincosq1lem 15849 sincos4thpi 15864 sincos6thpi 15866 pigt3 15868 pige3 15869 cosq34lt1 15874 cos02pilt1 15875 cos0pilt1 15876 rpabscxpbnd 15965 2logb9irr 15996 2logb9irrap 16002 lgsdir2lem1 16061 konigsbergiedgwen 16639 konigsberglem1 16643 konigsberglem2 16644 konigsberglem3 16645 ex-fl 16653 ex-gcd 16659 |
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