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Theorem carsgcl 34498
Description: Closure of the Caratheodory measurable sets. (Contributed by Thierry Arnoux, 17-May-2020.)
Hypotheses
Ref Expression
carsgval.1 (𝜑𝑂𝑉)
carsgval.2 (𝜑𝑀:𝒫 𝑂⟶(0[,]+∞))
Assertion
Ref Expression
carsgcl (𝜑 → (toCaraSiga‘𝑀) ⊆ 𝒫 𝑂)

Proof of Theorem carsgcl
Dummy variables 𝑎 𝑒 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 carsgval.1 . . 3 (𝜑𝑂𝑉)
2 carsgval.2 . . 3 (𝜑𝑀:𝒫 𝑂⟶(0[,]+∞))
31, 2carsgval 34497 . 2 (𝜑 → (toCaraSiga‘𝑀) = {𝑎 ∈ 𝒫 𝑂 ∣ ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒𝑎)) +𝑒 (𝑀‘(𝑒𝑎))) = (𝑀𝑒)})
4 ssrab2 4013 . 2 {𝑎 ∈ 𝒫 𝑂 ∣ ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒𝑎)) +𝑒 (𝑀‘(𝑒𝑎))) = (𝑀𝑒)} ⊆ 𝒫 𝑂
53, 4eqsstrdi 3960 1 (𝜑 → (toCaraSiga‘𝑀) ⊆ 𝒫 𝑂)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1548  wcel 2121  wral 3055  {crab 3393  cdif 3881  cin 3883  wss 3884  𝒫 cpw 4531  wf 6484  cfv 6488  (class class class)co 7359  0cc0 11034  +∞cpnf 11172   +𝑒 cxad 13056  [,]cicc 13296  toCaraSigaccarsg 34495
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1975  ax-7 2016  ax-8 2123  ax-9 2131  ax-10 2154  ax-11 2170  ax-12 2191  ax-ext 2713  ax-rep 5201  ax-sep 5220  ax-nul 5230  ax-pow 5296  ax-pr 5364
This theorem depends on definitions:  df-bi 209  df-an 398  df-or 855  df-3an 1095  df-tru 1551  df-fal 1561  df-ex 1788  df-nf 1792  df-sb 2075  df-mo 2545  df-eu 2575  df-clab 2720  df-cleq 2733  df-clel 2816  df-nfc 2890  df-ne 2937  df-ral 3056  df-rex 3066  df-reu 3347  df-rab 3394  df-v 3435  df-sbc 3725  df-csb 3833  df-dif 3887  df-un 3889  df-in 3891  df-ss 3901  df-nul 4264  df-if 4457  df-pw 4533  df-sn 4558  df-pr 4560  df-op 4564  df-uni 4841  df-iun 4925  df-br 5075  df-opab 5137  df-mpt 5156  df-id 5515  df-xp 5626  df-rel 5627  df-cnv 5628  df-co 5629  df-dm 5630  df-rn 5631  df-res 5632  df-ima 5633  df-iota 6444  df-fun 6490  df-fn 6491  df-f 6492  df-f1 6493  df-fo 6494  df-f1o 6495  df-fv 6496  df-ov 7362  df-carsg 34496
This theorem is referenced by:  carsguni  34502  elcarsgss  34503  carsggect  34512  carsgsiga  34516  omsmeas  34517
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