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Theorem psrsca 19159
Description: The scalar field of the multivariate power series structure. (Contributed by Mario Carneiro, 28-Dec-2014.)
Hypotheses
Ref Expression
psrsca.s 𝑆 = (𝐼 mPwSer 𝑅)
psrsca.i (𝜑𝐼𝑉)
psrsca.r (𝜑𝑅𝑊)
Assertion
Ref Expression
psrsca (𝜑𝑅 = (Scalar‘𝑆))

Proof of Theorem psrsca
Dummy variables 𝑓 𝑤 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 psrsca.r . . 3 (𝜑𝑅𝑊)
2 psrvalstr 19133 . . . 4 ({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩}) Struct ⟨1, 9⟩
3 scaid 15786 . . . 4 Scalar = Slot (Scalar‘ndx)
4 snsstp1 4287 . . . . 5 {⟨(Scalar‘ndx), 𝑅⟩} ⊆ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩}
5 ssun2 3739 . . . . 5 {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩} ⊆ ({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})
64, 5sstri 3577 . . . 4 {⟨(Scalar‘ndx), 𝑅⟩} ⊆ ({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})
72, 3, 6strfv 15684 . . 3 (𝑅𝑊𝑅 = (Scalar‘({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})))
81, 7syl 17 . 2 (𝜑𝑅 = (Scalar‘({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})))
9 psrsca.s . . . 4 𝑆 = (𝐼 mPwSer 𝑅)
10 eqid 2610 . . . 4 (Base‘𝑅) = (Base‘𝑅)
11 eqid 2610 . . . 4 (+g𝑅) = (+g𝑅)
12 eqid 2610 . . . 4 (.r𝑅) = (.r𝑅)
13 eqid 2610 . . . 4 (TopOpen‘𝑅) = (TopOpen‘𝑅)
14 eqid 2610 . . . 4 { ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} = { ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin}
15 eqid 2610 . . . . 5 (Base‘𝑆) = (Base‘𝑆)
16 psrsca.i . . . . 5 (𝜑𝐼𝑉)
179, 10, 14, 15, 16psrbas 19148 . . . 4 (𝜑 → (Base‘𝑆) = ((Base‘𝑅) ↑𝑚 { ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin}))
18 eqid 2610 . . . . 5 (+g𝑆) = (+g𝑆)
199, 15, 11, 18psrplusg 19151 . . . 4 (+g𝑆) = ( ∘𝑓 (+g𝑅) ↾ ((Base‘𝑆) × (Base‘𝑆)))
20 eqid 2610 . . . . 5 (.r𝑆) = (.r𝑆)
219, 15, 12, 20, 14psrmulr 19154 . . . 4 (.r𝑆) = (𝑓 ∈ (Base‘𝑆), 𝑧 ∈ (Base‘𝑆) ↦ (𝑤 ∈ { ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦𝑟𝑤} ↦ ((𝑓𝑥)(.r𝑅)(𝑧‘(𝑤𝑓𝑥)))))))
22 eqid 2610 . . . 4 (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓)) = (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))
23 eqidd 2611 . . . 4 (𝜑 → (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)})) = (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)})))
249, 10, 11, 12, 13, 14, 17, 19, 21, 22, 23, 16, 1psrval 19132 . . 3 (𝜑𝑆 = ({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩}))
2524fveq2d 6092 . 2 (𝜑 → (Scalar‘𝑆) = (Scalar‘({⟨(Base‘ndx), (Base‘𝑆)⟩, ⟨(+g‘ndx), (+g𝑆)⟩, ⟨(.r‘ndx), (.r𝑆)⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓 ∈ (Base‘𝑆) ↦ (({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘𝑓 (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0𝑚 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})))
268, 25eqtr4d 2647 1 (𝜑𝑅 = (Scalar‘𝑆))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1475  wcel 1977  {crab 2900  cun 3538  {csn 4125  {ctp 4129  cop 4131   × cxp 5026  ccnv 5027  cima 5031  cfv 5790  (class class class)co 6527  cmpt2 6529  𝑓 cof 6771  𝑚 cmap 7722  Fincfn 7819  1c1 9794  cn 10870  9c9 10927  0cn0 11142  ndxcnx 15641  Basecbs 15644  +gcplusg 15717  .rcmulr 15718  Scalarcsca 15720   ·𝑠 cvsca 15721  TopSetcts 15723  TopOpenctopn 15854  tcpt 15871   mPwSer cmps 19121
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4694  ax-sep 4704  ax-nul 4712  ax-pow 4764  ax-pr 4828  ax-un 6825  ax-cnex 9849  ax-resscn 9850  ax-1cn 9851  ax-icn 9852  ax-addcl 9853  ax-addrcl 9854  ax-mulcl 9855  ax-mulrcl 9856  ax-mulcom 9857  ax-addass 9858  ax-mulass 9859  ax-distr 9860  ax-i2m1 9861  ax-1ne0 9862  ax-1rid 9863  ax-rnegex 9864  ax-rrecex 9865  ax-cnre 9866  ax-pre-lttri 9867  ax-pre-lttrn 9868  ax-pre-ltadd 9869  ax-pre-mulgt0 9870
This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4368  df-int 4406  df-iun 4452  df-br 4579  df-opab 4639  df-mpt 4640  df-tr 4676  df-eprel 4939  df-id 4943  df-po 4949  df-so 4950  df-fr 4987  df-we 4989  df-xp 5034  df-rel 5035  df-cnv 5036  df-co 5037  df-dm 5038  df-rn 5039  df-res 5040  df-ima 5041  df-pred 5583  df-ord 5629  df-on 5630  df-lim 5631  df-suc 5632  df-iota 5754  df-fun 5792  df-fn 5793  df-f 5794  df-f1 5795  df-fo 5796  df-f1o 5797  df-fv 5798  df-riota 6489  df-ov 6530  df-oprab 6531  df-mpt2 6532  df-of 6773  df-om 6936  df-1st 7037  df-2nd 7038  df-supp 7161  df-wrecs 7272  df-recs 7333  df-rdg 7371  df-1o 7425  df-oadd 7429  df-er 7607  df-map 7724  df-en 7820  df-dom 7821  df-sdom 7822  df-fin 7823  df-fsupp 8137  df-pnf 9933  df-mnf 9934  df-xr 9935  df-ltxr 9936  df-le 9937  df-sub 10120  df-neg 10121  df-nn 10871  df-2 10929  df-3 10930  df-4 10931  df-5 10932  df-6 10933  df-7 10934  df-8 10935  df-9 10936  df-n0 11143  df-z 11214  df-uz 11523  df-fz 12156  df-struct 15646  df-ndx 15647  df-slot 15648  df-base 15649  df-plusg 15730  df-mulr 15731  df-sca 15733  df-vsca 15734  df-tset 15736  df-psr 19126
This theorem is referenced by:  psrlmod  19171  psrassa  19184  mpllsslem  19205  mplsca  19215  opsrsca  19253  opsrassa  19259  ply1lss  19336  opsrlmod  19386
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