Theorem cmsms 25304

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 25301	. 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 2113   × cxp 5622   ↾ cres 5626  ‘cfv 6492  Basecbs 17136  distcds 17186  MetSpcms 24262  CMetccmet 25210  CMetSpccms 25288

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2708  ax-nul 5251

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-sb 2068  df-clab 2715  df-cleq 2728  df-clel 2811  df-ne 2933  df-rab 3400  df-v 3442  df-sbc 3741  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-nul 4286  df-if 4480  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-br 5099  df-opab 5161  df-xp 5630  df-res 5636  df-iota 6448  df-fv 6500  df-cms 25291

This theorem is referenced by:  cmsss  25307  cmetcusp1  25309  rlmbn  25317  cmscsscms  25329  rrhcn  34154  dya2icoseg2  34435  sitgclbn  34500