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Theorem rrextcusp 34149
Description: An extension of is a complete uniform space. (Contributed by Thierry Arnoux, 2-May-2018.)
Assertion
Ref Expression
rrextcusp (𝑅 ∈ ℝExt → 𝑅 ∈ CUnifSp)

Proof of Theorem rrextcusp
StepHypRef Expression
1 eqid 2736 . . . 4 (Base‘𝑅) = (Base‘𝑅)
2 eqid 2736 . . . 4 ((dist‘𝑅) ↾ ((Base‘𝑅) × (Base‘𝑅))) = ((dist‘𝑅) ↾ ((Base‘𝑅) × (Base‘𝑅)))
3 eqid 2736 . . . 4 (ℤMod‘𝑅) = (ℤMod‘𝑅)
41, 2, 3isrrext 34144 . . 3 (𝑅 ∈ ℝExt ↔ ((𝑅 ∈ NrmRing ∧ 𝑅 ∈ DivRing) ∧ ((ℤMod‘𝑅) ∈ NrmMod ∧ (chr‘𝑅) = 0) ∧ (𝑅 ∈ CUnifSp ∧ (UnifSt‘𝑅) = (metUnif‘((dist‘𝑅) ↾ ((Base‘𝑅) × (Base‘𝑅)))))))
54simp3bi 1148 . 2 (𝑅 ∈ ℝExt → (𝑅 ∈ CUnifSp ∧ (UnifSt‘𝑅) = (metUnif‘((dist‘𝑅) ↾ ((Base‘𝑅) × (Base‘𝑅))))))
65simpld 494 1 (𝑅 ∈ ℝExt → 𝑅 ∈ CUnifSp)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1542  wcel 2114   × cxp 5629  cres 5633  cfv 6498  0cc0 11038  Basecbs 17179  distcds 17229  DivRingcdr 20706  metUnifcmetu 21343  ℤModczlm 21480  chrcchr 21481  UnifStcuss 24218  CUnifSpccusp 24261  NrmRingcnrg 24544  NrmModcnlm 24545   ℝExt crrext 34138
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 2708
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2715  df-cleq 2728  df-clel 2811  df-rab 3390  df-v 3431  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-br 5086  df-opab 5148  df-xp 5637  df-res 5643  df-iota 6454  df-fv 6506  df-rrext 34143
This theorem is referenced by:  rrhfe  34156  rrhcne  34157  sitgclg  34486
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