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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 13182. (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 13182 | . 2 ⊢ (𝐴 ∈ ℝ* → 𝐴 ≤ 𝐴) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2142 class class class wbr 5108 ℝ*cxr 11248 ≤ cle 11250 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-pre-lttri 11180 ax-pre-lttrn 11181 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-po 5568 df-so 5569 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-er 8692 df-en 8942 df-dom 8943 df-sdom 8944 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 |
| This theorem is used by: xleadd1a 13285 supxrre 13359 infxrre 13369 icossico2d 13454 ioounsn 13510 snunioo 13511 snunico 13512 limsupgre 15539 limsupbnd1 15540 limsupbnd2 15541 pcdvdstr 16942 pcadd 16955 xrge0omnd 21606 imasdsf1olem 24541 blssps 24592 blss 24593 blcld 24673 nmolb 24885 metds0 25019 metdstri 25020 metdseq0 25023 itg2eqa 25915 mdeglt 26233 deg1lt 26265 eliccelico 33133 elicoelioo 33134 difioo 33138 ply1degltel 33893 ply1degleel 33894 ply1degltlss 33895 esumpmono 34478 signsply0 34947 iocinico 43967 xadd0ge 46066 infxrpnf 46188 monoordxrv 46223 iooiinioc 46300 limcresiooub 46384 liminflelimsupuz 46527 ismbl4 46735 sge0prle 47143 iunhoiioo 47418 iccpartleu 48205 iccpartgel 48206 iccdisj2 49703 |
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