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| Mirrors > Home > MPE Home > Th. List > xrleidd | Structured version Visualization version GIF version | ||
| Description: 'Less than or equal to' is reflexive for extended reals. Deduction form of xrleid 13167. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
| Ref | Expression |
|---|---|
| xrleidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
| Ref | Expression |
|---|---|
| xrleidd | ⊢ (𝜑 → 𝐴 ≤ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrleidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
| 2 | xrleid 13167 | . 2 ⊢ (𝐴 ∈ ℝ* → 𝐴 ≤ 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2145 class class class wbr 5105 ℝ*cxr 11230 ≤ cle 11232 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-pre-lttri 11162 ax-pre-lttrn 11163 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-opab 5168 df-mpt 5187 df-id 5547 df-po 5560 df-so 5561 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 |
| This theorem is referenced by: xleadd1a 13270 supxrre 13344 infxrre 13354 icossico2d 13439 ioounsn 13495 snunioo 13496 snunico 13497 limsupgre 15522 limsupbnd1 15523 limsupbnd2 15524 pcdvdstr 16926 pcadd 16939 xrge0omnd 21555 imasdsf1olem 24491 blssps 24542 blss 24543 blcld 24623 nmolb 24835 metds0 24969 metdstri 24970 metdseq0 24973 itg2eqa 25865 mdeglt 26183 deg1lt 26215 eliccelico 33034 elicoelioo 33035 difioo 33039 ply1degltel 33801 ply1degleel 33802 ply1degltlss 33803 esumpmono 34386 signsply0 34855 iocinico 43801 xadd0ge 45896 infxrpnf 46018 monoordxrv 46053 iooiinioc 46130 limcresiooub 46214 liminflelimsupuz 46357 ismbl4 46565 sge0prle 46973 iunhoiioo 47248 iccpartleu 48032 iccpartgel 48033 iccdisj2 49526 |
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