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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 17425 | . 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 7691 | . . 3 ⊢ {〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∈ V | |
| 3 | tpex 7691 | . . 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 7689 | . 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 2831 | 1 ⊢ ℝ*𝑠 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 Vcvv 3439 ∪ cun 3898 ifcif 4478 {ctp 4583 〈cop 4585 class class class wbr 5097 ‘cfv 6491 (class class class)co 7358 ∈ cmpo 7360 ℝ*cxr 11167 ≤ cle 11169 -𝑒cxne 13025 +𝑒 cxad 13026 ·e cxmu 13027 ndxcnx 17122 Basecbs 17138 +gcplusg 17179 .rcmulr 17180 TopSetcts 17185 lecple 17186 distcds 17188 ordTopcordt 17422 ℝ*𝑠cxrs 17423 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2707 ax-sep 5240 ax-nul 5250 ax-pr 5376 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2714 df-cleq 2727 df-clel 2810 df-v 3441 df-dif 3903 df-un 3905 df-ss 3917 df-nul 4285 df-sn 4580 df-pr 4582 df-tp 4584 df-uni 4863 df-xrs 17425 |
| This theorem is referenced by: imasdsf1olem 24319 xrslt 33068 xrsmulgzz 33070 xrstos 33071 xrsp0 33073 xrsp1 33074 pnfinf 33244 xrnarchi 33245 |
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