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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 17508 | . 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 7718 | . . 3 ⊢ {〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∈ V | |
| 3 | tpex 7718 | . . 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 7716 | . 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 2852 | 1 ⊢ ℝ*𝑠 ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2136 Vcvv 3448 ∪ cun 3897 ifcif 4474 {ctp 4580 〈cop 4582 class class class wbr 5094 ‘cfv 6510 (class class class)co 7385 ∈ cmpo 7387 ℝ*cxr 11205 ≤ cle 11207 -𝑒cxne 13101 +𝑒 cxad 13102 ·e cxmu 13103 ndxcnx 17205 Basecbs 17221 +gcplusg 17262 .rcmulr 17263 TopSetcts 17268 lecple 17269 distcds 17271 ordTopcordt 17505 ℝ*𝑠cxrs 17506 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-ext 2728 ax-sep 5240 ax-pr 5384 ax-un 7707 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-tru 1557 df-ex 1794 df-sb 2085 df-clab 2735 df-cleq 2748 df-clel 2831 df-v 3450 df-un 3904 df-ss 3916 df-sn 4577 df-pr 4579 df-tp 4581 df-uni 4860 df-xrs 17508 |
| This theorem is referenced by: imasdsf1olem 24406 xrslt 33139 xrsmulgzz 33141 xrstos 33142 xrsp0 33144 xrsp1 33145 pnfinf 33317 xrnarchi 33318 |
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