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Theorem caragenel 43500
 Description: Membership in the Caratheodory's construction. (Contributed by Glauco Siliprandi, 17-Aug-2020.)
Hypotheses
Ref Expression
caragenel.o (𝜑𝑂 ∈ OutMeas)
caragenel.s 𝑆 = (CaraGen‘𝑂)
Assertion
Ref Expression
caragenel (𝜑 → (𝐸𝑆 ↔ (𝐸 ∈ 𝒫 dom 𝑂 ∧ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))) = (𝑂𝑎))))
Distinct variable groups:   𝐸,𝑎   𝑂,𝑎
Allowed substitution hints:   𝜑(𝑎)   𝑆(𝑎)

Proof of Theorem caragenel
Dummy variable 𝑒 is distinct from all other variables.
StepHypRef Expression
1 caragenel.s . . . 4 𝑆 = (CaraGen‘𝑂)
2 caragenel.o . . . . 5 (𝜑𝑂 ∈ OutMeas)
3 caragenval 43498 . . . . 5 (𝑂 ∈ OutMeas → (CaraGen‘𝑂) = {𝑒 ∈ 𝒫 dom 𝑂 ∣ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎)})
42, 3syl 17 . . . 4 (𝜑 → (CaraGen‘𝑂) = {𝑒 ∈ 𝒫 dom 𝑂 ∣ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎)})
51, 4syl5eq 2805 . . 3 (𝜑𝑆 = {𝑒 ∈ 𝒫 dom 𝑂 ∣ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎)})
65eleq2d 2837 . 2 (𝜑 → (𝐸𝑆𝐸 ∈ {𝑒 ∈ 𝒫 dom 𝑂 ∣ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎)}))
7 ineq2 4111 . . . . . . . 8 (𝑒 = 𝐸 → (𝑎𝑒) = (𝑎𝐸))
87fveq2d 6662 . . . . . . 7 (𝑒 = 𝐸 → (𝑂‘(𝑎𝑒)) = (𝑂‘(𝑎𝐸)))
9 difeq2 4022 . . . . . . . 8 (𝑒 = 𝐸 → (𝑎𝑒) = (𝑎𝐸))
109fveq2d 6662 . . . . . . 7 (𝑒 = 𝐸 → (𝑂‘(𝑎𝑒)) = (𝑂‘(𝑎𝐸)))
118, 10oveq12d 7168 . . . . . 6 (𝑒 = 𝐸 → ((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = ((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))))
1211eqeq1d 2760 . . . . 5 (𝑒 = 𝐸 → (((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎) ↔ ((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))) = (𝑂𝑎)))
1312ralbidv 3126 . . . 4 (𝑒 = 𝐸 → (∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎) ↔ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))) = (𝑂𝑎)))
1413elrab 3602 . . 3 (𝐸 ∈ {𝑒 ∈ 𝒫 dom 𝑂 ∣ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎)} ↔ (𝐸 ∈ 𝒫 dom 𝑂 ∧ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))) = (𝑂𝑎)))
1514a1i 11 . 2 (𝜑 → (𝐸 ∈ {𝑒 ∈ 𝒫 dom 𝑂 ∣ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝑒)) +𝑒 (𝑂‘(𝑎𝑒))) = (𝑂𝑎)} ↔ (𝐸 ∈ 𝒫 dom 𝑂 ∧ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))) = (𝑂𝑎))))
166, 15bitrd 282 1 (𝜑 → (𝐸𝑆 ↔ (𝐸 ∈ 𝒫 dom 𝑂 ∧ ∀𝑎 ∈ 𝒫 dom 𝑂((𝑂‘(𝑎𝐸)) +𝑒 (𝑂‘(𝑎𝐸))) = (𝑂𝑎))))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 209   ∧ wa 399   = wceq 1538   ∈ wcel 2111  ∀wral 3070  {crab 3074   ∖ cdif 3855   ∩ cin 3857  𝒫 cpw 4494  ∪ cuni 4798  dom cdm 5524  ‘cfv 6335  (class class class)co 7150   +𝑒 cxad 12546  OutMeascome 43494  CaraGenccaragen 43496 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-sep 5169  ax-nul 5176  ax-pow 5234  ax-pr 5298  ax-un 7459 This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ral 3075  df-rex 3076  df-rab 3079  df-v 3411  df-sbc 3697  df-dif 3861  df-un 3863  df-in 3865  df-ss 3875  df-nul 4226  df-if 4421  df-pw 4496  df-sn 4523  df-pr 4525  df-op 4529  df-uni 4799  df-br 5033  df-opab 5095  df-mpt 5113  df-id 5430  df-xp 5530  df-rel 5531  df-cnv 5532  df-co 5533  df-dm 5534  df-rn 5535  df-iota 6294  df-fun 6337  df-fv 6343  df-ov 7153  df-caragen 43497 This theorem is referenced by:  caragensplit  43505  caragenelss  43506  carageneld  43507  caragendifcl  43519  isvonmbl  43643
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