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Theorem cmsms 23945
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 2821 . . 3 (Base‘𝐺) = (Base‘𝐺)
2 eqid 2821 . . 3 ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺))) = ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺)))
31, 2iscms 23942 . 2 (𝐺 ∈ CMetSp ↔ (𝐺 ∈ MetSp ∧ ((dist‘𝐺) ↾ ((Base‘𝐺) × (Base‘𝐺))) ∈ (CMet‘(Base‘𝐺))))
43simplbi 500 1 (𝐺 ∈ CMetSp → 𝐺 ∈ MetSp)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2110   × cxp 5548  cres 5552  cfv 6350  Basecbs 16477  distcds 16568  MetSpcms 22922  CMetccmet 23851  CMetSpccms 23929
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2156  ax-12 2172  ax-ext 2793  ax-nul 5203
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ral 3143  df-rex 3144  df-rab 3147  df-v 3497  df-sbc 3773  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4833  df-br 5060  df-opab 5122  df-xp 5556  df-res 5562  df-iota 6309  df-fv 6358  df-cms 23932
This theorem is referenced by:  cmsss  23948  cmetcusp1  23950  rlmbn  23958  cmscsscms  23970  rrhcn  31233  dya2icoseg2  31531  sitgclbn  31596
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