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Theorem sssigagen 34323
Description: A set is a subset of the sigma-algebra it generates. (Contributed by Thierry Arnoux, 24-Jan-2017.)
Assertion
Ref Expression
sssigagen (𝐴𝑉𝐴 ⊆ (sigaGen‘𝐴))

Proof of Theorem sssigagen
Dummy variable 𝑠 is distinct from all other variables.
StepHypRef Expression
1 ssintub 4923 . 2 𝐴 {𝑠 ∈ (sigAlgebra‘ 𝐴) ∣ 𝐴𝑠}
2 sigagenval 34318 . 2 (𝐴𝑉 → (sigaGen‘𝐴) = {𝑠 ∈ (sigAlgebra‘ 𝐴) ∣ 𝐴𝑠})
31, 2sseqtrrid 3979 1 (𝐴𝑉𝐴 ⊆ (sigaGen‘𝐴))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2114  {crab 3401  wss 3903   cuni 4865   cint 4904  cfv 6500  sigAlgebracsiga 34286  sigaGencsigagen 34316
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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5243  ax-nul 5253  ax-pow 5312  ax-pr 5379  ax-un 7690
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-int 4905  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5527  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-iota 6456  df-fun 6502  df-fv 6508  df-siga 34287  df-sigagen 34317
This theorem is referenced by:  sssigagen2  34324  elsigagen  34325  elsigagen2  34326  sigagenid  34329  elsx  34372  imambfm  34440  cnmbfm  34441  elmbfmvol2  34445  sxbrsigalem3  34450  orvcoel  34640
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