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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 8375 | . 2 ⊢ (𝐴 < 𝐵 → 𝐴 ≤ 𝐵) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ 𝐴 ≤ 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2203 class class class wbr 4109 ℝcr 8126 < clt 8308 ≤ cle 8309 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-pre-ltirr 8239 ax-pre-lttrn 8241 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-rab 2529 df-v 2815 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-xp 4755 df-cnv 4757 df-pnf 8310 df-mnf 8311 df-xr 8312 df-ltxr 8313 df-le 8314 |
| This theorem is referenced by: 0le1 8755 1le2 9446 1le3 9449 halfge0 9454 decleh 9743 5eluz3 9893 uzuzle23 9894 uzuzle24 9895 uzuzle34 9896 eluz4eluz2 9900 fz0to4untppr 10458 fzo0to42pr 10565 xnn0nnen 10799 4bc2eq6 11137 resqrexlemga 11708 sqrt9 11733 sqrt2gt1lt2 11734 sqrtpclii 11815 0.999... 12207 ef01bndlem 12442 sin01bnd 12443 cos01bnd 12444 cos2bnd 12446 cos12dec 12454 flodddiv4 12622 strleun 13317 dveflem 15591 sinhalfpilem 15656 sincosq1lem 15690 sincos4thpi 15705 sincos6thpi 15707 pigt3 15709 pige3 15710 cosq34lt1 15715 cos02pilt1 15716 cos0pilt1 15717 rpabscxpbnd 15805 2logb9irr 15836 2logb9irrap 15842 lgsdir2lem1 15901 konigsbergiedgwen 16479 konigsberglem1 16483 konigsberglem2 16484 konigsberglem3 16485 ex-fl 16493 ex-gcd 16499 |
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