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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 8323 | . 2 ⊢ (𝐴 < 𝐵 → 𝐴 ≤ 𝐵) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ 𝐴 ≤ 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 class class class wbr 4093 ℝcr 8074 < clt 8256 ≤ cle 8257 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-pre-ltirr 8187 ax-pre-lttrn 8189 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-xp 4737 df-cnv 4739 df-pnf 8258 df-mnf 8259 df-xr 8260 df-ltxr 8261 df-le 8262 |
| This theorem is referenced by: 0le1 8703 1le2 9394 1le3 9397 halfge0 9402 decleh 9689 5eluz3 9839 uzuzle23 9840 uzuzle24 9841 uzuzle34 9842 eluz4eluz2 9846 fz0to4untppr 10404 fzo0to42pr 10511 xnn0nnen 10745 4bc2eq6 11082 resqrexlemga 11646 sqrt9 11671 sqrt2gt1lt2 11672 sqrtpclii 11753 0.999... 12145 ef01bndlem 12380 sin01bnd 12381 cos01bnd 12382 cos2bnd 12384 cos12dec 12392 flodddiv4 12560 strleun 13250 dveflem 15520 sinhalfpilem 15585 sincosq1lem 15619 sincos4thpi 15634 sincos6thpi 15636 pigt3 15638 pige3 15639 cosq34lt1 15644 cos02pilt1 15645 cos0pilt1 15646 rpabscxpbnd 15734 2logb9irr 15765 2logb9irrap 15771 lgsdir2lem1 15830 konigsbergiedgwen 16408 konigsberglem1 16412 konigsberglem2 16413 konigsberglem3 16414 ex-fl 16422 ex-gcd 16428 |
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