Theorem cmsms 25305

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

Step	Hyp	Ref	Expression
1		eqid 2736	. . 3 ⊢ (Base‘𝐺) = (Base‘𝐺)
2		eqid 2736	. . 3 ⊢ ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺))) = ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺)))
3	1, 2	iscms 25302	. 2 ⊢ (𝐺 ∈ CMetSp ↔ (𝐺 ∈ MetSp ∧ ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺))) ∈ (CMet‘(Base‘𝐺))))
4	3	simplbi 497	1 ⊢ (𝐺 ∈ CMetSp → 𝐺 ∈ MetSp)

Syntax hints:   → wi 4   ∈ wcel 2109   × cxp 5657   ↾ cres 5661  ‘cfv 6536  Basecbs 17233  distcds 17285  MetSpcms 24262  CMetccmet 25211  CMetSpccms 25289

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2708  ax-nul 5281

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2066  df-clab 2715  df-cleq 2728  df-clel 2810  df-ne 2934  df-rab 3421  df-v 3466  df-sbc 3771  df-dif 3934  df-un 3936  df-in 3938  df-ss 3948  df-nul 4314  df-if 4506  df-sn 4607  df-pr 4609  df-op 4613  df-uni 4889  df-br 5125  df-opab 5187  df-xp 5665  df-res 5671  df-iota 6489  df-fv 6544  df-cms 25292

This theorem is referenced by:  cmsss  25308  cmetcusp1  25310  rlmbn  25318  cmscsscms  25330  rrhcn  34033  dya2icoseg2  34315  sitgclbn  34380