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Theorem psdmplcl 22183

Description: The derivative of a polynomial is a polynomial. (Contributed by SN, 12-Apr-2025.)

**Hypotheses**
Ref	Expression
psdmplcl.p	⊢ 𝑃 = (𝐼 mPoly 𝑅)
psdmplcl.b	⊢ 𝐵 = (Base‘𝑃)
psdmplcl.r	⊢ (𝜑 → 𝑅 ∈ Mnd)
psdmplcl.x	⊢ (𝜑 → 𝑋 ∈ 𝐼)
psdmplcl.f	⊢ (𝜑 → 𝐹 ∈ 𝐵)

**Assertion**
Ref	Expression
psdmplcl	⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ 𝐵)

Proof of Theorem psdmplcl Dummy variables 𝑏 𝑑 ℎ 𝑖 𝑘 𝑦 𝑧 𝑛 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2734	. . 3 ⊢ (𝐼 mPwSer 𝑅) = (𝐼 mPwSer 𝑅)
2		eqid 2734	. . 3 ⊢ (Base‘(𝐼 mPwSer 𝑅)) = (Base‘(𝐼 mPwSer 𝑅))
3		psdmplcl.r	. . . 4 ⊢ (𝜑 → 𝑅 ∈ Mnd)
4		mndmgm 18766	. . . 4 ⊢ (𝑅 ∈ Mnd → 𝑅 ∈ Mgm)
5	3, 4	syl 17	. . 3 ⊢ (𝜑 → 𝑅 ∈ Mgm)
6		psdmplcl.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐼)
7		psdmplcl.p	. . . . 5 ⊢ 𝑃 = (𝐼 mPoly 𝑅)
8		psdmplcl.b	. . . . 5 ⊢ 𝐵 = (Base‘𝑃)
9	7, 1, 8, 2	mplbasss 22034	. . . 4 ⊢ 𝐵 ⊆ (Base‘(𝐼 mPwSer 𝑅))
10		psdmplcl.f	. . . 4 ⊢ (𝜑 → 𝐹 ∈ 𝐵)
11	9, 10	sselid 3992	. . 3 ⊢ (𝜑 → 𝐹 ∈ (Base‘(𝐼 mPwSer 𝑅)))
12	1, 2, 5, 6, 11	psdcl 22182	. 2 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ (Base‘(𝐼 mPwSer 𝑅)))
13		eqid 2734	. . . 4 ⊢ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} = {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}
14	1, 2, 13, 6, 11	psdval 22180	. . 3 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) = (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))))
15		ovex 7463	. . . . . . 7 ⊢ (ℕ₀ ↑_m 𝐼) ∈ V
16	15	rabex 5344	. . . . . 6 ⊢ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ∈ V
17	16	a1i 11	. . . . 5 ⊢ (𝜑 → {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ∈ V)
18	17	mptexd 7243	. . . 4 ⊢ (𝜑 → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))) ∈ V)
19		fvexd 6921	. . . 4 ⊢ (𝜑 → (0_g‘𝑅) ∈ V)
20		funmpt 6605	. . . . 5 ⊢ Fun (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))))
21	20	a1i 11	. . . 4 ⊢ (𝜑 → Fun (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))))
22		simpr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
23		reldmmpl 22025	. . . . . . . . . . . . 13 ⊢ Rel dom mPoly
24	7, 8, 23	strov2rcl 17252	. . . . . . . . . . . 12 ⊢ (𝐹 ∈ 𝐵 → 𝐼 ∈ V)
25	10, 24	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐼 ∈ V)
26	13	psrbagsn 22104	. . . . . . . . . . 11 ⊢ (𝐼 ∈ V → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
27	25, 26	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
28	27	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
29	13	psrbagaddcl 21961	. . . . . . . . 9 ⊢ ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ∧ (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
30	22, 28, 29	syl2anc 584	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
31		eqidd 2735	. . . . . . . 8 ⊢ (𝜑 → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) = (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))
32		eqid 2734	. . . . . . . . . 10 ⊢ (Base‘𝑅) = (Base‘𝑅)
33	7, 32, 8, 13, 10	mplelf 22035	. . . . . . . . 9 ⊢ (𝜑 → 𝐹:{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶(Base‘𝑅))
34	33	feqmptd 6976	. . . . . . . 8 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘𝑧)))
35		fveq2 6906	. . . . . . . 8 ⊢ (𝑧 = (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) → (𝐹‘𝑧) = (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))
36	30, 31, 34, 35	fmptco 7148	. . . . . . 7 ⊢ (𝜑 → (𝐹 ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) = (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))))
37		eqid 2734	. . . . . . . . 9 ⊢ (0_g‘𝑅) = (0_g‘𝑅)
38	7, 8, 37, 10	mplelsfi 22032	. . . . . . . 8 ⊢ (𝜑 → 𝐹 finSupp (0_g‘𝑅))
39	30	fmpttd 7134	. . . . . . . . 9 ⊢ (𝜑 → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
40		ovex 7463	. . . . . . . . . . . . . . 15 ⊢ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ V
41		eqid 2734	. . . . . . . . . . . . . . 15 ⊢ (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) = (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
42	40, 41	fnmpti 6711	. . . . . . . . . . . . . 14 ⊢ (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) Fn {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}
43	42	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) Fn {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
44		dffn3 6748	. . . . . . . . . . . . 13 ⊢ ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) Fn {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↔ (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶ran (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))
45	43, 44	sylib 218	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶ran (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))
46	45, 39	fcod 6761	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶ran (𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))
47	46	ffnd 6737	. . . . . . . . . 10 ⊢ (𝜑 → ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) Fn {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
48		fnresi 6697	. . . . . . . . . . 11 ⊢ ( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) Fn {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}
49	48	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → ( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) Fn {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
50	13	psrbagf 21955	. . . . . . . . . . . . . . . . 17 ⊢ (𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → 𝑑:𝐼⟶ℕ₀)
51	50	adantl 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑:𝐼⟶ℕ₀)
52	51	ffvelcdmda 7103	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (𝑑‘𝑖) ∈ ℕ₀)
53	52	nn0cnd 12586	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (𝑑‘𝑖) ∈ ℂ)
54		ax-1cn 11210	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℂ
55		0cn 11250	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℂ
56	54, 55	ifcli 4577	. . . . . . . . . . . . . . 15 ⊢ if(𝑖 = 𝑋, 1, 0) ∈ ℂ
57	56	a1i 11	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → if(𝑖 = 𝑋, 1, 0) ∈ ℂ)
58	53, 57	pncand 11618	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (((𝑑‘𝑖) + if(𝑖 = 𝑋, 1, 0)) − if(𝑖 = 𝑋, 1, 0)) = (𝑑‘𝑖))
59	58	mpteq2dva 5247	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑖 ∈ 𝐼 ↦ (((𝑑‘𝑖) + if(𝑖 = 𝑋, 1, 0)) − if(𝑖 = 𝑋, 1, 0))) = (𝑖 ∈ 𝐼 ↦ (𝑑‘𝑖)))
60		simpr 484	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
61	27	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
62	13	psrbagaddcl 21961	. . . . . . . . . . . . . . 15 ⊢ ((𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ∧ (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
63	60, 61, 62	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
64	13	psrbagf 21955	. . . . . . . . . . . . . . 15 ⊢ ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))):𝐼⟶ℕ₀)
65	64	ffnd 6737	. . . . . . . . . . . . . 14 ⊢ ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) Fn 𝐼)
66	63, 65	syl 17	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) Fn 𝐼)
67		1ex 11254	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ V
68		c0ex 11252	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ V
69	67, 68	ifex 4580	. . . . . . . . . . . . . . 15 ⊢ if(𝑦 = 𝑋, 1, 0) ∈ V
70		eqid 2734	. . . . . . . . . . . . . . 15 ⊢ (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) = (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))
71	69, 70	fnmpti 6711	. . . . . . . . . . . . . 14 ⊢ (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) Fn 𝐼
72	71	a1i 11	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) Fn 𝐼)
73	25	adantr 480	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝐼 ∈ V)
74		inidm 4234	. . . . . . . . . . . . 13 ⊢ (𝐼 ∩ 𝐼) = 𝐼
75	50	ffnd 6737	. . . . . . . . . . . . . . 15 ⊢ (𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → 𝑑 Fn 𝐼)
76	75	adantl 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑 Fn 𝐼)
77		eqidd 2735	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (𝑑‘𝑖) = (𝑑‘𝑖))
78		eqeq1 2738	. . . . . . . . . . . . . . . 16 ⊢ (𝑦 = 𝑖 → (𝑦 = 𝑋 ↔ 𝑖 = 𝑋))
79	78	ifbid 4553	. . . . . . . . . . . . . . 15 ⊢ (𝑦 = 𝑖 → if(𝑦 = 𝑋, 1, 0) = if(𝑖 = 𝑋, 1, 0))
80		simpr 484	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → 𝑖 ∈ 𝐼)
81	67, 68	ifex 4580	. . . . . . . . . . . . . . . 16 ⊢ if(𝑖 = 𝑋, 1, 0) ∈ V
82	81	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → if(𝑖 = 𝑋, 1, 0) ∈ V)
83	70, 79, 80, 82	fvmptd3 7038	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → ((𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))‘𝑖) = if(𝑖 = 𝑋, 1, 0))
84	76, 72, 73, 73, 74, 77, 83	ofval 7707	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))‘𝑖) = ((𝑑‘𝑖) + if(𝑖 = 𝑋, 1, 0)))
85	66, 72, 73, 73, 74, 84, 83	offval 7705	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) = (𝑖 ∈ 𝐼 ↦ (((𝑑‘𝑖) + if(𝑖 = 𝑋, 1, 0)) − if(𝑖 = 𝑋, 1, 0))))
86	51	feqmptd 6976	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑 = (𝑖 ∈ 𝐼 ↦ (𝑑‘𝑖)))
87	59, 85, 86	3eqtr4d 2784	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) = 𝑑)
88	30	adantlr 715	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
89	88	fmpttd 7134	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
90	89, 60	fvco3d 7008	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))‘𝑑) = ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘𝑑)))
91		eqid 2734	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) = (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
92		oveq1 7437	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 𝑑 → (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) = (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
93		ovexd 7465	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ V)
94	91, 92, 60, 93	fvmptd3 7038	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘𝑑) = (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
95	94	fveq2d 6910	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘𝑑)) = ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘(𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))
96		oveq1 7437	. . . . . . . . . . . . 13 ⊢ (𝑏 = (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) → (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) = ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
97		ovexd 7465	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ V)
98	41, 96, 63, 97	fvmptd3 7038	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))‘(𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) = ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
99	90, 95, 98	3eqtrd 2778	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))‘𝑑) = ((𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
100		fvresi 7192	. . . . . . . . . . . 12 ⊢ (𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → (( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})‘𝑑) = 𝑑)
101	100	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})‘𝑑) = 𝑑)
102	87, 99, 101	3eqtr4d 2784	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))‘𝑑) = (( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})‘𝑑))
103	47, 49, 102	eqfnfvd 7053	. . . . . . . . 9 ⊢ (𝜑 → ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) = ( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}))
104		fcof1 7306	. . . . . . . . 9 ⊢ (((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ∧ ((𝑏 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) = ( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})) → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}–1-1→{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
105	39, 103, 104	syl2anc 584	. . . . . . . 8 ⊢ (𝜑 → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))):{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}–1-1→{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
106	38, 105, 19, 10	fsuppco 9439	. . . . . . 7 ⊢ (𝜑 → (𝐹 ∘ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) finSupp (0_g‘𝑅))
107	36, 106	eqbrtrrd 5171	. . . . . 6 ⊢ (𝜑 → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) finSupp (0_g‘𝑅))
108	107	fsuppimpd 9406	. . . . 5 ⊢ (𝜑 → ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) supp (0_g‘𝑅)) ∈ Fin)
109		ssidd 4018	. . . . . 6 ⊢ (𝜑 → ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) supp (0_g‘𝑅)) ⊆ ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) supp (0_g‘𝑅)))
110		eqid 2734	. . . . . . . 8 ⊢ (._g‘𝑅) = (._g‘𝑅)
111	32, 110, 37	mulgnn0z 19131	. . . . . . 7 ⊢ ((𝑅 ∈ Mnd ∧ 𝑛 ∈ ℕ₀) → (𝑛(._g‘𝑅)(0_g‘𝑅)) = (0_g‘𝑅))
112	3, 111	sylan 580	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (𝑛(._g‘𝑅)(0_g‘𝑅)) = (0_g‘𝑅))
113	13	psrbagf 21955	. . . . . . . . 9 ⊢ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → 𝑘:𝐼⟶ℕ₀)
114	113	adantl 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑘:𝐼⟶ℕ₀)
115	6	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑋 ∈ 𝐼)
116	114, 115	ffvelcdmd 7104	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑘‘𝑋) ∈ ℕ₀)
117		peano2nn0 12563	. . . . . . 7 ⊢ ((𝑘‘𝑋) ∈ ℕ₀ → ((𝑘‘𝑋) + 1) ∈ ℕ₀)
118	116, 117	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑘‘𝑋) + 1) ∈ ℕ₀)
119		fvexd 6921	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))) ∈ V)
120	109, 112, 118, 119, 19	suppssov2 8221	. . . . 5 ⊢ (𝜑 → ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))) supp (0_g‘𝑅)) ⊆ ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))) supp (0_g‘𝑅)))
121	108, 120	ssfid 9298	. . . 4 ⊢ (𝜑 → ((𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))) supp (0_g‘𝑅)) ∈ Fin)
122	18, 19, 21, 121	isfsuppd 9403	. . 3 ⊢ (𝜑 → (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (((𝑘‘𝑋) + 1)(._g‘𝑅)(𝐹‘(𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)))))) finSupp (0_g‘𝑅))
123	14, 122	eqbrtrd 5169	. 2 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) finSupp (0_g‘𝑅))
124	7, 1, 2, 37, 8	mplelbas 22028	. 2 ⊢ ((((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ 𝐵 ↔ ((((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ (Base‘(𝐼 mPwSer 𝑅)) ∧ (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) finSupp (0_g‘𝑅)))
125	12, 123, 124	sylanbrc 583	1 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ 𝐵)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1536 ∈ wcel 2105 {crab 3432 Vcvv 3477 ifcif 4530 class class class wbr 5147 ↦ cmpt 5230 I cid 5581 ^◡ccnv 5687 ran crn 5689 ↾ cres 5690 “ cima 5691 ∘ ccom 5692 Fun wfun 6556 Fn wfn 6557 ⟶wf 6558 –1-1→wf1 6559 ‘cfv 6562 (class class class)co 7430 ∘_f cof 7694 supp csupp 8183 ↑_m cmap 8864 Fincfn 8983 finSupp cfsupp 9398 ℂcc 11150 0cc0 11152 1c1 11153 + caddc 11155 − cmin 11489 ℕcn 12263 ℕ₀cn0 12523 Basecbs 17244 0_gc0g 17485 Mgmcmgm 18663 Mndcmnd 18759 ._gcmg 19097 mPwSer cmps 21941 mPoly cmpl 21943 mPSDer cpsd 22151

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-rep 5284 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-tp 4635 df-op 4637 df-uni 4912 df-iun 4997 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-of 7696 df-om 7887 df-1st 8012 df-2nd 8013 df-supp 8184 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-1o 8504 df-er 8743 df-map 8866 df-en 8984 df-dom 8985 df-sdom 8986 df-fin 8987 df-fsupp 9399 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-nn 12264 df-2 12326 df-3 12327 df-4 12328 df-5 12329 df-6 12330 df-7 12331 df-8 12332 df-9 12333 df-n0 12524 df-z 12611 df-uz 12876 df-fz 13544 df-seq 14039 df-struct 17180 df-sets 17197 df-slot 17215 df-ndx 17227 df-base 17245 df-ress 17274 df-plusg 17310 df-mulr 17311 df-sca 17313 df-vsca 17314 df-tset 17316 df-0g 17487 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-mulg 19098 df-psr 21946 df-mpl 21948 df-psd 22177

This theorem is referenced by: (None)

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