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Theorem resspsrmul 21924
Description: A restricted power series algebra has the same multiplication operation. (Contributed by Mario Carneiro, 3-Jul-2015.)
Hypotheses
Ref Expression
resspsr.s 𝑆 = (𝐼 mPwSer 𝑅)
resspsr.h 𝐻 = (𝑅s 𝑇)
resspsr.u 𝑈 = (𝐼 mPwSer 𝐻)
resspsr.b 𝐵 = (Base‘𝑈)
resspsr.p 𝑃 = (𝑆s 𝐵)
resspsr.2 (𝜑𝑇 ∈ (SubRing‘𝑅))
Assertion
Ref Expression
resspsrmul ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋(.r𝑈)𝑌) = (𝑋(.r𝑃)𝑌))

Proof of Theorem resspsrmul
Dummy variables 𝑥 𝑘 𝑓 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2727 . . . . . . . 8 {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} = {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}
21psrbaglefi 21870 . . . . . . 7 (𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} → {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ∈ Fin)
32adantl 480 . . . . . 6 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ∈ Fin)
4 resspsr.2 . . . . . . . . 9 (𝜑𝑇 ∈ (SubRing‘𝑅))
5 subrgsubg 20521 . . . . . . . . 9 (𝑇 ∈ (SubRing‘𝑅) → 𝑇 ∈ (SubGrp‘𝑅))
64, 5syl 17 . . . . . . . 8 (𝜑𝑇 ∈ (SubGrp‘𝑅))
7 subgsubm 19108 . . . . . . . 8 (𝑇 ∈ (SubGrp‘𝑅) → 𝑇 ∈ (SubMnd‘𝑅))
86, 7syl 17 . . . . . . 7 (𝜑𝑇 ∈ (SubMnd‘𝑅))
98ad2antrr 724 . . . . . 6 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → 𝑇 ∈ (SubMnd‘𝑅))
104ad3antrrr 728 . . . . . . . 8 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → 𝑇 ∈ (SubRing‘𝑅))
11 resspsr.u . . . . . . . . . . . 12 𝑈 = (𝐼 mPwSer 𝐻)
12 eqid 2727 . . . . . . . . . . . 12 (Base‘𝐻) = (Base‘𝐻)
13 resspsr.b . . . . . . . . . . . 12 𝐵 = (Base‘𝑈)
14 simprl 769 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑋𝐵)
1511, 12, 1, 13, 14psrelbas 21884 . . . . . . . . . . 11 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑋:{𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝐻))
1615adantr 479 . . . . . . . . . 10 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → 𝑋:{𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝐻))
17 elrabi 3676 . . . . . . . . . 10 (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} → 𝑥 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin})
18 ffvelcdm 7094 . . . . . . . . . 10 ((𝑋:{𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝐻) ∧ 𝑥 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → (𝑋𝑥) ∈ (Base‘𝐻))
1916, 17, 18syl2an 594 . . . . . . . . 9 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑋𝑥) ∈ (Base‘𝐻))
20 resspsr.h . . . . . . . . . . 11 𝐻 = (𝑅s 𝑇)
2120subrgbas 20525 . . . . . . . . . 10 (𝑇 ∈ (SubRing‘𝑅) → 𝑇 = (Base‘𝐻))
2210, 21syl 17 . . . . . . . . 9 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → 𝑇 = (Base‘𝐻))
2319, 22eleqtrrd 2831 . . . . . . . 8 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑋𝑥) ∈ 𝑇)
24 simprr 771 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑌𝐵)
2511, 12, 1, 13, 24psrelbas 21884 . . . . . . . . . . 11 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑌:{𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝐻))
2625ad2antrr 724 . . . . . . . . . 10 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → 𝑌:{𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝐻))
27 ssrab2 4075 . . . . . . . . . . 11 {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ⊆ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}
28 simplr 767 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin})
29 simpr 483 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘})
30 eqid 2727 . . . . . . . . . . . . 13 {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} = {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}
311, 30psrbagconcl 21872 . . . . . . . . . . . 12 ((𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑘f𝑥) ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘})
3228, 29, 31syl2anc 582 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑘f𝑥) ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘})
3327, 32sselid 3978 . . . . . . . . . 10 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑘f𝑥) ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin})
3426, 33ffvelcdmd 7098 . . . . . . . . 9 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑌‘(𝑘f𝑥)) ∈ (Base‘𝐻))
3534, 22eleqtrrd 2831 . . . . . . . 8 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (𝑌‘(𝑘f𝑥)) ∈ 𝑇)
36 eqid 2727 . . . . . . . . 9 (.r𝑅) = (.r𝑅)
3736subrgmcl 20528 . . . . . . . 8 ((𝑇 ∈ (SubRing‘𝑅) ∧ (𝑋𝑥) ∈ 𝑇 ∧ (𝑌‘(𝑘f𝑥)) ∈ 𝑇) → ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))) ∈ 𝑇)
3810, 23, 35, 37syl3anc 1368 . . . . . . 7 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))) ∈ 𝑇)
3938fmpttd 7128 . . . . . 6 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥)))):{𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}⟶𝑇)
403, 9, 39, 20gsumsubm 18792 . . . . 5 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → (𝑅 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))))) = (𝐻 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))))))
4120, 36ressmulr 17293 . . . . . . . . . 10 (𝑇 ∈ (SubRing‘𝑅) → (.r𝑅) = (.r𝐻))
424, 41syl 17 . . . . . . . . 9 (𝜑 → (.r𝑅) = (.r𝐻))
4342ad3antrrr 728 . . . . . . . 8 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → (.r𝑅) = (.r𝐻))
4443oveqd 7441 . . . . . . 7 ((((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ∧ 𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘}) → ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))) = ((𝑋𝑥)(.r𝐻)(𝑌‘(𝑘f𝑥))))
4544mpteq2dva 5250 . . . . . 6 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥)))) = (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝐻)(𝑌‘(𝑘f𝑥)))))
4645oveq2d 7440 . . . . 5 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → (𝐻 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))))) = (𝐻 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝐻)(𝑌‘(𝑘f𝑥))))))
4740, 46eqtrd 2767 . . . 4 (((𝜑 ∧ (𝑋𝐵𝑌𝐵)) ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) → (𝑅 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥))))) = (𝐻 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝐻)(𝑌‘(𝑘f𝑥))))))
4847mpteq2dva 5250 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥)))))) = (𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ↦ (𝐻 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝐻)(𝑌‘(𝑘f𝑥)))))))
49 resspsr.s . . . 4 𝑆 = (𝐼 mPwSer 𝑅)
50 eqid 2727 . . . 4 (Base‘𝑆) = (Base‘𝑆)
51 eqid 2727 . . . 4 (.r𝑆) = (.r𝑆)
52 fvex 6913 . . . . . . . 8 (Base‘𝑅) ∈ V
534, 21syl 17 . . . . . . . . 9 (𝜑𝑇 = (Base‘𝐻))
54 eqid 2727 . . . . . . . . . . 11 (Base‘𝑅) = (Base‘𝑅)
5554subrgss 20516 . . . . . . . . . 10 (𝑇 ∈ (SubRing‘𝑅) → 𝑇 ⊆ (Base‘𝑅))
564, 55syl 17 . . . . . . . . 9 (𝜑𝑇 ⊆ (Base‘𝑅))
5753, 56eqsstrrd 4019 . . . . . . . 8 (𝜑 → (Base‘𝐻) ⊆ (Base‘𝑅))
58 mapss 8912 . . . . . . . 8 (((Base‘𝑅) ∈ V ∧ (Base‘𝐻) ⊆ (Base‘𝑅)) → ((Base‘𝐻) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ⊆ ((Base‘𝑅) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}))
5952, 57, 58sylancr 585 . . . . . . 7 (𝜑 → ((Base‘𝐻) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ⊆ ((Base‘𝑅) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}))
6059adantr 479 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → ((Base‘𝐻) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}) ⊆ ((Base‘𝑅) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}))
61 reldmpsr 21852 . . . . . . . . . 10 Rel dom mPwSer
6261, 11, 13elbasov 17192 . . . . . . . . 9 (𝑋𝐵 → (𝐼 ∈ V ∧ 𝐻 ∈ V))
6362ad2antrl 726 . . . . . . . 8 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝐼 ∈ V ∧ 𝐻 ∈ V))
6463simpld 493 . . . . . . 7 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝐼 ∈ V)
6511, 12, 1, 13, 64psrbas 21883 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝐵 = ((Base‘𝐻) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}))
6649, 54, 1, 50, 64psrbas 21883 . . . . . 6 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (Base‘𝑆) = ((Base‘𝑅) ↑m {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}))
6760, 65, 663sstr4d 4027 . . . . 5 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝐵 ⊆ (Base‘𝑆))
6867, 14sseldd 3981 . . . 4 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑋 ∈ (Base‘𝑆))
6967, 24sseldd 3981 . . . 4 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → 𝑌 ∈ (Base‘𝑆))
7049, 50, 36, 51, 1, 68, 69psrmulfval 21891 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋(.r𝑆)𝑌) = (𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝑅)(𝑌‘(𝑘f𝑥)))))))
71 eqid 2727 . . . 4 (.r𝐻) = (.r𝐻)
72 eqid 2727 . . . 4 (.r𝑈) = (.r𝑈)
7311, 13, 71, 72, 1, 14, 24psrmulfval 21891 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋(.r𝑈)𝑌) = (𝑘 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ↦ (𝐻 Σg (𝑥 ∈ {𝑦 ∈ {𝑓 ∈ (ℕ0m 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin} ∣ 𝑦r𝑘} ↦ ((𝑋𝑥)(.r𝐻)(𝑌‘(𝑘f𝑥)))))))
7448, 70, 733eqtr4rd 2778 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋(.r𝑈)𝑌) = (𝑋(.r𝑆)𝑌))
7513fvexi 6914 . . . 4 𝐵 ∈ V
76 resspsr.p . . . . 5 𝑃 = (𝑆s 𝐵)
7776, 51ressmulr 17293 . . . 4 (𝐵 ∈ V → (.r𝑆) = (.r𝑃))
7875, 77mp1i 13 . . 3 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (.r𝑆) = (.r𝑃))
7978oveqd 7441 . 2 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋(.r𝑆)𝑌) = (𝑋(.r𝑃)𝑌))
8074, 79eqtrd 2767 1 ((𝜑 ∧ (𝑋𝐵𝑌𝐵)) → (𝑋(.r𝑈)𝑌) = (𝑋(.r𝑃)𝑌))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 394   = wceq 1533  wcel 2098  {crab 3428  Vcvv 3471  wss 3947   class class class wbr 5150  cmpt 5233  ccnv 5679  cima 5683  wf 6547  cfv 6551  (class class class)co 7424  f cof 7687  r cofr 7688  m cmap 8849  Fincfn 8968  cle 11285  cmin 11480  cn 12248  0cn0 12508  Basecbs 17185  s cress 17214  .rcmulr 17239   Σg cgsu 17427  SubMndcsubmnd 18744  SubGrpcsubg 19080  SubRingcsubrg 20511   mPwSer cmps 21842
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-10 2129  ax-11 2146  ax-12 2166  ax-ext 2698  ax-rep 5287  ax-sep 5301  ax-nul 5308  ax-pow 5367  ax-pr 5431  ax-un 7744  ax-cnex 11200  ax-resscn 11201  ax-1cn 11202  ax-icn 11203  ax-addcl 11204  ax-addrcl 11205  ax-mulcl 11206  ax-mulrcl 11207  ax-mulcom 11208  ax-addass 11209  ax-mulass 11210  ax-distr 11211  ax-i2m1 11212  ax-1ne0 11213  ax-1rid 11214  ax-rnegex 11215  ax-rrecex 11216  ax-cnre 11217  ax-pre-lttri 11218  ax-pre-lttrn 11219  ax-pre-ltadd 11220  ax-pre-mulgt0 11221
This theorem depends on definitions:  df-bi 206  df-an 395  df-or 846  df-3or 1085  df-3an 1086  df-tru 1536  df-fal 1546  df-ex 1774  df-nf 1778  df-sb 2060  df-mo 2529  df-eu 2558  df-clab 2705  df-cleq 2719  df-clel 2805  df-nfc 2880  df-ne 2937  df-nel 3043  df-ral 3058  df-rex 3067  df-rmo 3372  df-reu 3373  df-rab 3429  df-v 3473  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3966  df-nul 4325  df-if 4531  df-pw 4606  df-sn 4631  df-pr 4633  df-tp 4635  df-op 4637  df-uni 4911  df-iun 5000  df-br 5151  df-opab 5213  df-mpt 5234  df-tr 5268  df-id 5578  df-eprel 5584  df-po 5592  df-so 5593  df-fr 5635  df-we 5637  df-xp 5686  df-rel 5687  df-cnv 5688  df-co 5689  df-dm 5690  df-rn 5691  df-res 5692  df-ima 5693  df-pred 6308  df-ord 6375  df-on 6376  df-lim 6377  df-suc 6378  df-iota 6503  df-fun 6553  df-fn 6554  df-f 6555  df-f1 6556  df-fo 6557  df-f1o 6558  df-fv 6559  df-riota 7380  df-ov 7427  df-oprab 7428  df-mpo 7429  df-of 7689  df-ofr 7690  df-om 7875  df-1st 7997  df-2nd 7998  df-supp 8170  df-frecs 8291  df-wrecs 8322  df-recs 8396  df-rdg 8435  df-1o 8491  df-er 8729  df-map 8851  df-pm 8852  df-ixp 8921  df-en 8969  df-dom 8970  df-sdom 8971  df-fin 8972  df-fsupp 9392  df-pnf 11286  df-mnf 11287  df-xr 11288  df-ltxr 11289  df-le 11290  df-sub 11482  df-neg 11483  df-nn 12249  df-2 12311  df-3 12312  df-4 12313  df-5 12314  df-6 12315  df-7 12316  df-8 12317  df-9 12318  df-n0 12509  df-z 12595  df-uz 12859  df-fz 13523  df-seq 14005  df-struct 17121  df-sets 17138  df-slot 17156  df-ndx 17168  df-base 17186  df-ress 17215  df-plusg 17251  df-mulr 17252  df-sca 17254  df-vsca 17255  df-tset 17257  df-0g 17428  df-gsum 17429  df-mgm 18605  df-sgrp 18684  df-mnd 18700  df-submnd 18746  df-grp 18898  df-minusg 18899  df-subg 19083  df-cmn 19742  df-abl 19743  df-mgp 20080  df-rng 20098  df-ur 20127  df-ring 20180  df-subrng 20488  df-subrg 20513  df-psr 21847
This theorem is referenced by:  subrgpsr  21926  ressmplmul  21973
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