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Theorem mpstssv 35752
Description: A pre-statement is an ordered triple. (Contributed by Mario Carneiro, 18-Jul-2016.)
Hypothesis
Ref Expression
mpstssv.p 𝑃 = (mPreSt‘𝑇)
Assertion
Ref Expression
mpstssv 𝑃 ⊆ ((V × V) × V)

Proof of Theorem mpstssv
Dummy variable 𝑑 is distinct from all other variables.
StepHypRef Expression
1 eqid 2737 . . 3 (mDV‘𝑇) = (mDV‘𝑇)
2 eqid 2737 . . 3 (mEx‘𝑇) = (mEx‘𝑇)
3 mpstssv.p . . 3 𝑃 = (mPreSt‘𝑇)
41, 2, 3mpstval 35748 . 2 𝑃 = (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ 𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇))
5 xpss 5648 . . 3 ({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ 𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) ⊆ (V × V)
6 ssv 3960 . . 3 (mEx‘𝑇) ⊆ V
7 xpss12 5647 . . 3 ((({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ 𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) ⊆ (V × V) ∧ (mEx‘𝑇) ⊆ V) → (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ 𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇)) ⊆ ((V × V) × V))
85, 6, 7mp2an 693 . 2 (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ 𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇)) ⊆ ((V × V) × V)
94, 8eqsstri 3982 1 𝑃 ⊆ ((V × V) × V)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1542  {crab 3401  Vcvv 3442  cin 3902  wss 3903  𝒫 cpw 4556   × cxp 5630  ccnv 5631  cfv 6500  Fincfn 8895  mExcmex 35680  mDVcmdv 35681  mPreStcmpst 35686
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-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-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-mpst 35706
This theorem is referenced by:  mpst123  35753  mpstrcl  35754  msrrcl  35756  elmpps  35786
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