MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  psrplusg Structured version   Visualization version   GIF version

Theorem psrplusg 21060
Description: The addition operation of the multivariate power series structure. (Contributed by Mario Carneiro, 28-Dec-2014.) (Revised by Mario Carneiro, 2-Oct-2015.)
Hypotheses
Ref Expression
psrplusg.s 𝑆 = (𝐼 mPwSer 𝑅)
psrplusg.b 𝐵 = (Base‘𝑆)
psrplusg.a + = (+g𝑅)
psrplusg.p = (+g𝑆)
Assertion
Ref Expression
psrplusg = ( ∘f + ↾ (𝐵 × 𝐵))

Proof of Theorem psrplusg
Dummy variables 𝑓 𝑔 𝑘 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 psrplusg.s . . . . 5 𝑆 = (𝐼 mPwSer 𝑅)
2 eqid 2738 . . . . 5 (Base‘𝑅) = (Base‘𝑅)
3 psrplusg.a . . . . 5 + = (+g𝑅)
4 eqid 2738 . . . . 5 (.r𝑅) = (.r𝑅)
5 eqid 2738 . . . . 5 (TopOpen‘𝑅) = (TopOpen‘𝑅)
6 eqid 2738 . . . . 5 { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} = { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin}
7 psrplusg.b . . . . . 6 𝐵 = (Base‘𝑆)
8 simpl 482 . . . . . 6 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝐼 ∈ V)
91, 2, 6, 7, 8psrbas 21057 . . . . 5 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝐵 = ((Base‘𝑅) ↑m { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin}))
10 eqid 2738 . . . . 5 ( ∘f + ↾ (𝐵 × 𝐵)) = ( ∘f + ↾ (𝐵 × 𝐵))
11 eqid 2738 . . . . 5 (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥))))))) = (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))
12 eqid 2738 . . . . 5 (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓)) = (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))
13 eqidd 2739 . . . . 5 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)})) = (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)})))
14 simpr 484 . . . . 5 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝑅 ∈ V)
151, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 8, 14psrval 21028 . . . 4 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝑆 = ({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩}))
1615fveq2d 6760 . . 3 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → (+g𝑆) = (+g‘({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})))
17 psrplusg.p . . 3 = (+g𝑆)
187fvexi 6770 . . . . 5 𝐵 ∈ V
1918, 18xpex 7581 . . . 4 (𝐵 × 𝐵) ∈ V
20 ofexg 7516 . . . 4 ((𝐵 × 𝐵) ∈ V → ( ∘f + ↾ (𝐵 × 𝐵)) ∈ V)
21 psrvalstr 21029 . . . . 5 ({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩}) Struct ⟨1, 9⟩
22 plusgid 16915 . . . . 5 +g = Slot (+g‘ndx)
23 snsstp2 4747 . . . . . 6 {⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩} ⊆ {⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩}
24 ssun1 4102 . . . . . 6 {⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ⊆ ({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})
2523, 24sstri 3926 . . . . 5 {⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩} ⊆ ({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})
2621, 22, 25strfv 16833 . . . 4 (( ∘f + ↾ (𝐵 × 𝐵)) ∈ V → ( ∘f + ↾ (𝐵 × 𝐵)) = (+g‘({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩})))
2719, 20, 26mp2b 10 . . 3 ( ∘f + ↾ (𝐵 × 𝐵)) = (+g‘({⟨(Base‘ndx), 𝐵⟩, ⟨(+g‘ndx), ( ∘f + ↾ (𝐵 × 𝐵))⟩, ⟨(.r‘ndx), (𝑓𝐵, 𝑔𝐵 ↦ (𝑘 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ { ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑓𝑥)(.r𝑅)(𝑔‘(𝑘f𝑥)))))))⟩} ∪ {⟨(Scalar‘ndx), 𝑅⟩, ⟨( ·𝑠 ‘ndx), (𝑥 ∈ (Base‘𝑅), 𝑓𝐵 ↦ (({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {𝑥}) ∘f (.r𝑅)𝑓))⟩, ⟨(TopSet‘ndx), (∏t‘({ ∈ (ℕ0m 𝐼) ∣ ( “ ℕ) ∈ Fin} × {(TopOpen‘𝑅)}))⟩}))
2816, 17, 273eqtr4g 2804 . 2 ((𝐼 ∈ V ∧ 𝑅 ∈ V) → = ( ∘f + ↾ (𝐵 × 𝐵)))
29 reldmpsr 21027 . . . . . . 7 Rel dom mPwSer
3029ovprc 7293 . . . . . 6 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝐼 mPwSer 𝑅) = ∅)
311, 30eqtrid 2790 . . . . 5 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝑆 = ∅)
3231fveq2d 6760 . . . 4 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → (+g𝑆) = (+g‘∅))
3322str0 16818 . . . 4 ∅ = (+g‘∅)
3432, 17, 333eqtr4g 2804 . . 3 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → = ∅)
3531fveq2d 6760 . . . . . . . 8 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → (Base‘𝑆) = (Base‘∅))
36 base0 16845 . . . . . . . 8 ∅ = (Base‘∅)
3735, 7, 363eqtr4g 2804 . . . . . . 7 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → 𝐵 = ∅)
3837xpeq2d 5610 . . . . . 6 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝐵 × 𝐵) = (𝐵 × ∅))
39 xp0 6050 . . . . . 6 (𝐵 × ∅) = ∅
4038, 39eqtrdi 2795 . . . . 5 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → (𝐵 × 𝐵) = ∅)
4140reseq2d 5880 . . . 4 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → ( ∘f + ↾ (𝐵 × 𝐵)) = ( ∘f + ↾ ∅))
42 res0 5884 . . . 4 ( ∘f + ↾ ∅) = ∅
4341, 42eqtrdi 2795 . . 3 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → ( ∘f + ↾ (𝐵 × 𝐵)) = ∅)
4434, 43eqtr4d 2781 . 2 (¬ (𝐼 ∈ V ∧ 𝑅 ∈ V) → = ( ∘f + ↾ (𝐵 × 𝐵)))
4528, 44pm2.61i 182 1 = ( ∘f + ↾ (𝐵 × 𝐵))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wa 395   = wceq 1539  wcel 2108  {crab 3067  Vcvv 3422  cun 3881  c0 4253  {csn 4558  {ctp 4562  cop 4564   class class class wbr 5070  cmpt 5153   × cxp 5578  ccnv 5579  cres 5582  cima 5583  cfv 6418  (class class class)co 7255  cmpo 7257  f cof 7509  r cofr 7510  m cmap 8573  Fincfn 8691  1c1 10803  cle 10941  cmin 11135  cn 11903  9c9 11965  0cn0 12163  ndxcnx 16822  Basecbs 16840  +gcplusg 16888  .rcmulr 16889  Scalarcsca 16891   ·𝑠 cvsca 16892  TopSetcts 16894  TopOpenctopn 17049  tcpt 17066   Σg cgsu 17068   mPwSer cmps 21017
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-rep 5205  ax-sep 5218  ax-nul 5225  ax-pow 5283  ax-pr 5347  ax-un 7566  ax-cnex 10858  ax-resscn 10859  ax-1cn 10860  ax-icn 10861  ax-addcl 10862  ax-addrcl 10863  ax-mulcl 10864  ax-mulrcl 10865  ax-mulcom 10866  ax-addass 10867  ax-mulass 10868  ax-distr 10869  ax-i2m1 10870  ax-1ne0 10871  ax-1rid 10872  ax-rnegex 10873  ax-rrecex 10874  ax-cnre 10875  ax-pre-lttri 10876  ax-pre-lttrn 10877  ax-pre-ltadd 10878  ax-pre-mulgt0 10879
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3or 1086  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3068  df-rex 3069  df-reu 3070  df-rab 3072  df-v 3424  df-sbc 3712  df-csb 3829  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-pss 3902  df-nul 4254  df-if 4457  df-pw 4532  df-sn 4559  df-pr 4561  df-tp 4563  df-op 4565  df-uni 4837  df-iun 4923  df-br 5071  df-opab 5133  df-mpt 5154  df-tr 5188  df-id 5480  df-eprel 5486  df-po 5494  df-so 5495  df-fr 5535  df-we 5537  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-rn 5591  df-res 5592  df-ima 5593  df-pred 6191  df-ord 6254  df-on 6255  df-lim 6256  df-suc 6257  df-iota 6376  df-fun 6420  df-fn 6421  df-f 6422  df-f1 6423  df-fo 6424  df-f1o 6425  df-fv 6426  df-riota 7212  df-ov 7258  df-oprab 7259  df-mpo 7260  df-of 7511  df-om 7688  df-1st 7804  df-2nd 7805  df-supp 7949  df-frecs 8068  df-wrecs 8099  df-recs 8173  df-rdg 8212  df-1o 8267  df-er 8456  df-map 8575  df-en 8692  df-dom 8693  df-sdom 8694  df-fin 8695  df-fsupp 9059  df-pnf 10942  df-mnf 10943  df-xr 10944  df-ltxr 10945  df-le 10946  df-sub 11137  df-neg 11138  df-nn 11904  df-2 11966  df-3 11967  df-4 11968  df-5 11969  df-6 11970  df-7 11971  df-8 11972  df-9 11973  df-n0 12164  df-z 12250  df-uz 12512  df-fz 13169  df-struct 16776  df-slot 16811  df-ndx 16823  df-base 16841  df-plusg 16901  df-mulr 16902  df-sca 16904  df-vsca 16905  df-tset 16907  df-psr 21022
This theorem is referenced by:  psradd  21061  psrmulr  21063  psrsca  21068  psrvscafval  21069  psrplusgpropd  21317  ply1plusgfvi  21323
  Copyright terms: Public domain W3C validator