| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > xrltle | Structured version Visualization version GIF version | ||
| Description: 'Less than' implies 'less than or equal' for extended reals. (Contributed by NM, 19-Jan-2006.) |
| Ref | Expression |
|---|---|
| xrltle | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | orc 867 | . 2 ⊢ (𝐴 < 𝐵 → (𝐴 < 𝐵 ∨ 𝐴 = 𝐵)) | |
| 2 | xrleloe 13058 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) | |
| 3 | 1, 2 | imbitrrid 246 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∨ wo 847 = wceq 1541 ∈ wcel 2113 class class class wbr 5098 ℝ*cxr 11165 < clt 11166 ≤ cle 11167 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-pre-lttri 11100 ax-pre-lttrn 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 |
| This theorem is referenced by: xrltled 13064 xrletri 13067 xrletr 13072 qextltlem 13117 xmulge0 13199 supxrunb1 13234 ico0 13307 ioc0 13308 ioossicc 13349 icossicc 13352 iocssicc 13353 ioossico 13354 snunioo 13394 snunico 13395 ioopnfsup 13784 icopnfsup 13785 hashnnn0genn0 14266 leordtval2 23156 lecldbas 23163 blcls 24450 stdbdxmet 24459 stdbdmopn 24462 metcnpi3 24490 xrsmopn 24757 metnrmlem1a 24803 bndth 24913 ovolgelb 25437 icombl 25521 ioorf 25530 ioorinv2 25532 itg2seq 25699 tanord1 26502 dvloglem 26613 iocinif 32861 esumpinfsum 34234 omssubadd 34457 elicc3 36511 tan2h 37809 heicant 37852 itg2addnclem 37868 radcnvrat 44551 ioossioc 45734 ioossioobi 45759 fouriersw 46471 iccpartnel 47680 i0oii 49161 io1ii 49162 |
| Copyright terms: Public domain | W3C validator |