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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 8271 | . 2 ⊢ (𝐴 < 𝐵 → 𝐴 ≤ 𝐵) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ 𝐴 ≤ 𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 class class class wbr 4086 ℝcr 8021 < clt 8204 ≤ cle 8205 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-pre-ltirr 8134 ax-pre-lttrn 8136 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-xp 4729 df-cnv 4731 df-pnf 8206 df-mnf 8207 df-xr 8208 df-ltxr 8209 df-le 8210 |
| This theorem is referenced by: 0le1 8651 1le2 9342 1le3 9345 halfge0 9350 decleh 9635 5eluz3 9785 uzuzle23 9786 uzuzle24 9787 uzuzle34 9788 eluz4eluz2 9792 fz0to4untppr 10349 fzo0to42pr 10455 xnn0nnen 10689 4bc2eq6 11026 resqrexlemga 11574 sqrt9 11599 sqrt2gt1lt2 11600 sqrtpclii 11681 0.999... 12072 ef01bndlem 12307 sin01bnd 12308 cos01bnd 12309 cos2bnd 12311 cos12dec 12319 flodddiv4 12487 strleun 13177 dveflem 15440 sinhalfpilem 15505 sincosq1lem 15539 sincos4thpi 15554 sincos6thpi 15556 pigt3 15558 pige3 15559 cosq34lt1 15564 cos02pilt1 15565 cos0pilt1 15566 rpabscxpbnd 15654 2logb9irr 15685 2logb9irrap 15691 lgsdir2lem1 15747 ex-fl 16257 ex-gcd 16263 |
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