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Theorem rrhval 29368
 Description: Value of the canonical homormorphism from the real numbers to a complete space. (Contributed by Thierry Arnoux, 2-Nov-2017.)
Hypotheses
Ref Expression
rrhval.1 𝐽 = (topGen‘ran (,))
rrhval.2 𝐾 = (TopOpen‘𝑅)
Assertion
Ref Expression
rrhval (𝑅𝑉 → (ℝHom‘𝑅) = ((𝐽CnExt𝐾)‘(ℚHom‘𝑅)))

Proof of Theorem rrhval
Dummy variable 𝑟 is distinct from all other variables.
StepHypRef Expression
1 elex 3185 . 2 (𝑅𝑉𝑅 ∈ V)
2 rrhval.1 . . . . . . 7 𝐽 = (topGen‘ran (,))
32eqcomi 2619 . . . . . 6 (topGen‘ran (,)) = 𝐽
43a1i 11 . . . . 5 (𝑟 = 𝑅 → (topGen‘ran (,)) = 𝐽)
5 fveq2 6103 . . . . . 6 (𝑟 = 𝑅 → (TopOpen‘𝑟) = (TopOpen‘𝑅))
6 rrhval.2 . . . . . 6 𝐾 = (TopOpen‘𝑅)
75, 6syl6eqr 2662 . . . . 5 (𝑟 = 𝑅 → (TopOpen‘𝑟) = 𝐾)
84, 7oveq12d 6567 . . . 4 (𝑟 = 𝑅 → ((topGen‘ran (,))CnExt(TopOpen‘𝑟)) = (𝐽CnExt𝐾))
9 fveq2 6103 . . . 4 (𝑟 = 𝑅 → (ℚHom‘𝑟) = (ℚHom‘𝑅))
108, 9fveq12d 6109 . . 3 (𝑟 = 𝑅 → (((topGen‘ran (,))CnExt(TopOpen‘𝑟))‘(ℚHom‘𝑟)) = ((𝐽CnExt𝐾)‘(ℚHom‘𝑅)))
11 df-rrh 29367 . . 3 ℝHom = (𝑟 ∈ V ↦ (((topGen‘ran (,))CnExt(TopOpen‘𝑟))‘(ℚHom‘𝑟)))
12 fvex 6113 . . 3 ((𝐽CnExt𝐾)‘(ℚHom‘𝑅)) ∈ V
1310, 11, 12fvmpt 6191 . 2 (𝑅 ∈ V → (ℝHom‘𝑅) = ((𝐽CnExt𝐾)‘(ℚHom‘𝑅)))
141, 13syl 17 1 (𝑅𝑉 → (ℝHom‘𝑅) = ((𝐽CnExt𝐾)‘(ℚHom‘𝑅)))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   = wceq 1475   ∈ wcel 1977  Vcvv 3173  ran crn 5039  ‘cfv 5804  (class class class)co 6549  (,)cioo 12046  TopOpenctopn 15905  topGenctg 15921  CnExtccnext 21673  ℚHomcqqh 29344  ℝHomcrrh 29365 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-sep 4709  ax-nul 4717  ax-pr 4833 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ral 2901  df-rex 2902  df-rab 2905  df-v 3175  df-sbc 3403  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-br 4584  df-opab 4644  df-mpt 4645  df-id 4953  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-iota 5768  df-fun 5806  df-fv 5812  df-ov 6552  df-rrh 29367 This theorem is referenced by:  rrhcn  29369  rrhqima  29386  rrhre  29393
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