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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 8259 | . 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 4083 ℝcr 8009 < clt 8192 ≤ cle 8193 |
| 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 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-pre-ltirr 8122 ax-pre-lttrn 8124 |
| 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 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-xp 4725 df-cnv 4727 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 |
| This theorem is referenced by: 0le1 8639 1le2 9330 1le3 9333 halfge0 9338 decleh 9623 eluz4eluz2 9774 uzuzle23 9778 fz0to4untppr 10332 fzo0to42pr 10438 xnn0nnen 10671 4bc2eq6 11008 resqrexlemga 11549 sqrt9 11574 sqrt2gt1lt2 11575 sqrtpclii 11656 0.999... 12047 ef01bndlem 12282 sin01bnd 12283 cos01bnd 12284 cos2bnd 12286 cos12dec 12294 flodddiv4 12462 strleun 13152 dveflem 15415 sinhalfpilem 15480 sincosq1lem 15514 sincos4thpi 15529 sincos6thpi 15531 pigt3 15533 pige3 15534 cosq34lt1 15539 cos02pilt1 15540 cos0pilt1 15541 rpabscxpbnd 15629 2logb9irr 15660 2logb9irrap 15666 lgsdir2lem1 15722 ex-fl 16144 ex-gcd 16150 |
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