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Theorem cmsms 25536
Description: A complete metric space is a metric space. (Contributed by Mario Carneiro, 15-Oct-2015.)
Assertion
Ref Expression
cmsms (𝐺 ∈ CMetSp → 𝐺 ∈ MetSp)

Proof of Theorem cmsms
StepHypRef Expression
1 eqid 2765 . . 3 (Base‘𝐺) = (Base‘𝐺)
2 eqid 2765 . . 3 ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺))) = ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺)))
31, 2iscms 25533 . 2 (𝐺 ∈ CMetSp ↔ (𝐺 ∈ MetSp ∧ ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺))) ∈ (CMet‘(Base‘𝐺))))
43simplbi 502 1 (𝐺 ∈ CMetSp → 𝐺 ∈ MetSp)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wcel 2146   × cxp 5661  cres 5665  cfv 6540  Basecbs 17286  distcds 17336  MetSpcms 24504  CMetccmet 25442  CMetSpccms 25520
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2737  ax-nul 5271
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2744  df-cleq 2757  df-clel 2840  df-ne 2961  df-rab 3419  df-v 3459  df-sbc 3747  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4287  df-if 4490  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-br 5112  df-opab 5176  df-xp 5669  df-res 5675  df-iota 6496  df-fv 6548  df-cms 25523
This theorem is used by:  cmsss  25539  cmetcusp1  25541  rlmbn  25549  cmscsscms  25561  rrhcn  34410  dya2icoseg2  34692  sitgclbn  34757
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