Theorem mpstssv 31982

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.

Step	Hyp	Ref	Expression
1		eqid 2825	. . 3 ⊢ (mDV‘𝑇) = (mDV‘𝑇)
2		eqid 2825	. . 3 ⊢ (mEx‘𝑇) = (mEx‘𝑇)
3		mpstssv.p	. . 3 ⊢ 𝑃 = (mPreSt‘𝑇)
4	1, 2, 3	mpstval 31978	. 2 ⊢ 𝑃 = (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ ◡𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇))
5		xpss 5358	. . 3 ⊢ ({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ ◡𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) ⊆ (V × V)
6		ssv 3850	. . 3 ⊢ (mEx‘𝑇) ⊆ V
7		xpss12 5357	. . 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))
8	5, 6, 7	mp2an 685	. 2 ⊢ (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ ◡𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇)) ⊆ ((V × V) × V)
9	4, 8	eqsstri 3860	1 ⊢ 𝑃 ⊆ ((V × V) × V)

Syntax hints:   = wceq 1658  {crab 3121  Vcvv 3414   ∩ cin 3797   ⊆ wss 3798  𝒫 cpw 4378   × cxp 5340  ^◡ccnv 5341  ‘cfv 6123  Fincfn 8222  mExcmex 31910  mDVcmdv 31911  mPreStcmpst 31916

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1896  ax-4 1910  ax-5 2011  ax-6 2077  ax-7 2114  ax-8 2168  ax-9 2175  ax-10 2194  ax-11 2209  ax-12 2222  ax-13 2391  ax-ext 2803  ax-sep 5005  ax-nul 5013  ax-pow 5065  ax-pr 5127  ax-un 7209

This theorem depends on definitions:  df-bi 199  df-an 387  df-or 881  df-3an 1115  df-tru 1662  df-ex 1881  df-nf 1885  df-sb 2070  df-mo 2605  df-eu 2640  df-clab 2812  df-cleq 2818  df-clel 2821  df-nfc 2958  df-ral 3122  df-rex 3123  df-rab 3126  df-v 3416  df-sbc 3663  df-dif 3801  df-un 3803  df-in 3805  df-ss 3812  df-nul 4145  df-if 4307  df-pw 4380  df-sn 4398  df-pr 4400  df-op 4404  df-uni 4659  df-br 4874  df-opab 4936  df-mpt 4953  df-id 5250  df-xp 5348  df-rel 5349  df-cnv 5350  df-co 5351  df-dm 5352  df-iota 6086  df-fun 6125  df-fv 6131  df-mpst 31936

This theorem is referenced by:  mpst123  31983  mpstrcl  31984  msrrcl  31986  elmpps  32016