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| Mirrors > Home > MPE Home > Th. List > xrsex | Structured version Visualization version GIF version | ||
| Description: The extended real structure is a set. (Contributed by Mario Carneiro, 21-Aug-2015.) |
| Ref | Expression |
|---|---|
| xrsex | ⊢ ℝ*𝑠 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-xrs 17472 | . 2 ⊢ ℝ*𝑠 = ({〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∪ {〈(TopSet‘ndx), (ordTop‘ ≤ )〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ if(𝑥 ≤ 𝑦, (𝑦 +𝑒 -𝑒𝑥), (𝑥 +𝑒 -𝑒𝑦)))〉}) | |
| 2 | tpex 7725 | . . 3 ⊢ {〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∈ V | |
| 3 | tpex 7725 | . . 3 ⊢ {〈(TopSet‘ndx), (ordTop‘ ≤ )〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ if(𝑥 ≤ 𝑦, (𝑦 +𝑒 -𝑒𝑥), (𝑥 +𝑒 -𝑒𝑦)))〉} ∈ V | |
| 4 | 2, 3 | unex 7723 | . 2 ⊢ ({〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∪ {〈(TopSet‘ndx), (ordTop‘ ≤ )〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ if(𝑥 ≤ 𝑦, (𝑦 +𝑒 -𝑒𝑥), (𝑥 +𝑒 -𝑒𝑦)))〉}) ∈ V |
| 5 | 1, 4 | eqeltri 2825 | 1 ⊢ ℝ*𝑠 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 Vcvv 3450 ∪ cun 3915 ifcif 4491 {ctp 4596 〈cop 4598 class class class wbr 5110 ‘cfv 6514 (class class class)co 7390 ∈ cmpo 7392 ℝ*cxr 11214 ≤ cle 11216 -𝑒cxne 13076 +𝑒 cxad 13077 ·e cxmu 13078 ndxcnx 17170 Basecbs 17186 +gcplusg 17227 .rcmulr 17228 TopSetcts 17233 lecple 17234 distcds 17236 ordTopcordt 17469 ℝ*𝑠cxrs 17470 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 ax-sep 5254 ax-nul 5264 ax-pr 5390 ax-un 7714 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-v 3452 df-dif 3920 df-un 3922 df-ss 3934 df-nul 4300 df-sn 4593 df-pr 4595 df-tp 4597 df-uni 4875 df-xrs 17472 |
| This theorem is referenced by: imasdsf1olem 24268 xrslt 32952 xrsmulgzz 32954 xrstos 32955 xrsp0 32957 xrsp1 32958 pnfinf 33144 xrnarchi 33145 |
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