Theorem mpstssv 32899

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 2798	. . 3 ⊢ (mDV‘𝑇) = (mDV‘𝑇)
2		eqid 2798	. . 3 ⊢ (mEx‘𝑇) = (mEx‘𝑇)
3		mpstssv.p	. . 3 ⊢ 𝑃 = (mPreSt‘𝑇)
4	1, 2, 3	mpstval 32895	. 2 ⊢ 𝑃 = (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ ◡𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇))
5		xpss 5535	. . 3 ⊢ ({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ ◡𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) ⊆ (V × V)
6		ssv 3939	. . 3 ⊢ (mEx‘𝑇) ⊆ V
7		xpss12 5534	. . 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 691	. 2 ⊢ (({𝑑 ∈ 𝒫 (mDV‘𝑇) ∣ ◡𝑑 = 𝑑} × (𝒫 (mEx‘𝑇) ∩ Fin)) × (mEx‘𝑇)) ⊆ ((V × V) × V)
9	4, 8	eqsstri 3949	1 ⊢ 𝑃 ⊆ ((V × V) × V)

Syntax hints:   = wceq 1538  {crab 3110  Vcvv 3441   ∩ cin 3880   ⊆ wss 3881  𝒫 cpw 4497   × cxp 5517  ^◡ccnv 5518  ‘cfv 6324  Fincfn 8492  mExcmex 32827  mDVcmdv 32828  mPreStcmpst 32833

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 2770  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ral 3111  df-rex 3112  df-rab 3115  df-v 3443  df-sbc 3721  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-iota 6283  df-fun 6326  df-fv 6332  df-mpst 32853

This theorem is referenced by:  mpst123  32900  mpstrcl  32901  msrrcl  32903  elmpps  32933