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Theorem psdmplcl 22285

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 2765	. . 3 ⊢ (𝐼 mPwSer 𝑅) = (𝐼 mPwSer 𝑅)
2		eqid 2765	. . 3 ⊢ (Base‘(𝐼 mPwSer 𝑅)) = (Base‘(𝐼 mPwSer 𝑅))
3		psdmplcl.r	. . . 4 ⊢ (𝜑 → 𝑅 ∈ Mnd)
4		mndmgm 18789	. . . 4 ⊢ (𝑅 ∈ Mnd → 𝑅 ∈ Mgm)
5	3, 4	syl 18	. . 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 22106	. . . 4 ⊢ 𝐵 ⊆ (Base‘(𝐼 mPwSer 𝑅))
10		psdmplcl.f	. . . 4 ⊢ (𝜑 → 𝐹 ∈ 𝐵)
11	9, 10	sselid 3937	. . 3 ⊢ (𝜑 → 𝐹 ∈ (Base‘(𝐼 mPwSer 𝑅)))
12	1, 2, 5, 6, 11	psdcl 22284	. 2 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ (Base‘(𝐼 mPwSer 𝑅)))
13		eqid 2765	. . . 4 ⊢ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} = {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}
14	1, 2, 13, 6, 11	psdval 22282	. . 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 7433	. . . . . . 7 ⊢ (ℕ₀ ↑_m 𝐼) ∈ V
16	15	rabex 5300	. . . . . 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 7212	. . . 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 6886	. . . 4 ⊢ (𝜑 → (0_g‘𝑅) ∈ V)
20		funmpt 6563	. . . . 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 489	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
23		reldmmpl 22097	. . . . . . . . . . . . 13 ⊢ Rel dom mPoly
24	7, 8, 23	strov2rcl 17267	. . . . . . . . . . . 12 ⊢ (𝐹 ∈ 𝐵 → 𝐼 ∈ V)
25	10, 24	syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐼 ∈ V)
26	13	psrbagsn 22174	. . . . . . . . . . 11 ⊢ (𝐼 ∈ V → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
27	25, 26	syl 18	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
28	27	adantr 485	. . . . . . . . 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 22034	. . . . . . . . 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 595	. . . . . . . 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 2766	. . . . . . . 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 2765	. . . . . . . . . 10 ⊢ (Base‘𝑅) = (Base‘𝑅)
33	7, 32, 8, 13, 10	mplelf 22107	. . . . . . . . 9 ⊢ (𝜑 → 𝐹:{ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}⟶(Base‘𝑅))
34	33	feqmptd 6939	. . . . . . . 8 ⊢ (𝜑 → 𝐹 = (𝑧 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} ↦ (𝐹‘𝑧)))
35		fveq2 6871	. . . . . . . 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 7115	. . . . . . 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 2765	. . . . . . . . 9 ⊢ (0_g‘𝑅) = (0_g‘𝑅)
38	7, 8, 37, 10	mplelsfi 22104	. . . . . . . 8 ⊢ (𝜑 → 𝐹 finSupp (0_g‘𝑅))
39	30	fmpttd 7100	. . . . . . . . 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 7433	. . . . . . . . . . . . . . 15 ⊢ (𝑏 ∘_f − (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) ∈ V
41		eqid 2765	. . . . . . . . . . . . . . 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 6668	. . . . . . . . . . . . . 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 6708	. . . . . . . . . . . . 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 221	. . . . . . . . . . . 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 6721	. . . . . . . . . . 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 6696	. . . . . . . . . 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 6654	. . . . . . . . . . 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 22028	. . . . . . . . . . . . . . . . 17 ⊢ (𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → 𝑑:𝐼⟶ℕ₀)
51	50	adantl 486	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑:𝐼⟶ℕ₀)
52	51	ffvelcdmda 7069	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (𝑑‘𝑖) ∈ ℕ₀)
53	52	nn0cnd 12558	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (𝑑‘𝑖) ∈ ℂ)
54		ax-1cn 11146	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℂ
55		0cn 11186	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℂ
56	54, 55	ifcli 4531	. . . . . . . . . . . . . . 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 11558	. . . . . . . . . . . . 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 5198	. . . . . . . . . . . 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 489	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})
61	27	adantr 485	. . . . . . . . . . . . . . 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 22034	. . . . . . . . . . . . . . 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 595	. . . . . . . . . . . . . 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 22028	. . . . . . . . . . . . . . 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 6696	. . . . . . . . . . . . . 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 18	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) Fn 𝐼)
67		1ex 11191	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ V
68		c0ex 11188	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ V
69	67, 68	ifex 4534	. . . . . . . . . . . . . . 15 ⊢ if(𝑦 = 𝑋, 1, 0) ∈ V
70		eqid 2765	. . . . . . . . . . . . . . 15 ⊢ (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0)) = (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))
71	69, 70	fnmpti 6668	. . . . . . . . . . . . . 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 485	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝐼 ∈ V)
74		inidm 4181	. . . . . . . . . . . . 13 ⊢ (𝐼 ∩ 𝐼) = 𝐼
75	50	ffnd 6696	. . . . . . . . . . . . . . 15 ⊢ (𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → 𝑑 Fn 𝐼)
76	75	adantl 486	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑 Fn 𝐼)
77		eqidd 2766	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → (𝑑‘𝑖) = (𝑑‘𝑖))
78		eqeq1 2769	. . . . . . . . . . . . . . . 16 ⊢ (𝑦 = 𝑖 → (𝑦 = 𝑋 ↔ 𝑖 = 𝑋))
79	78	ifbid 4507	. . . . . . . . . . . . . . 15 ⊢ (𝑦 = 𝑖 → if(𝑦 = 𝑋, 1, 0) = if(𝑖 = 𝑋, 1, 0))
80		simpr 489	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) ∧ 𝑖 ∈ 𝐼) → 𝑖 ∈ 𝐼)
81	67, 68	ifex 4534	. . . . . . . . . . . . . . . 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 7003	. . . . . . . . . . . . . 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 7675	. . . . . . . . . . . . 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 7673	. . . . . . . . . . . 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 6939	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑑 = (𝑖 ∈ 𝐼 ↦ (𝑑‘𝑖)))
87	59, 85, 86	3eqtr4d 2810	. . . . . . . . . . 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 727	. . . . . . . . . . . . . 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 7100	. . . . . . . . . . . . 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 6972	. . . . . . . . . . . 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 2765	. . . . . . . . . . . . . 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 7407	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 𝑑 → (𝑘 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))) = (𝑑 ∘_f + (𝑦 ∈ 𝐼 ↦ if(𝑦 = 𝑋, 1, 0))))
93		ovexd 7435	. . . . . . . . . . . . . 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 7003	. . . . . . . . . . . . 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 6875	. . . . . . . . . . . 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 7407	. . . . . . . . . . . . 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 7435	. . . . . . . . . . . . 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 7003	. . . . . . . . . . . 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 2804	. . . . . . . . . . 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 7161	. . . . . . . . . . . 12 ⊢ (𝑑 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → (( I ↾ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin})‘𝑑) = 𝑑)
101	100	adantl 486	. . . . . . . . . . 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 2810	. . . . . . . . . 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 7018	. . . . . . . . 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 7275	. . . . . . . . 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 595	. . . . . . . 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 9350	. . . . . . 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 5129	. . . . . 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 9317	. . . . 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 3962	. . . . . 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 2765	. . . . . . . 8 ⊢ (._g‘𝑅) = (._g‘𝑅)
111	32, 110, 37	mulgnn0z 19158	. . . . . . 7 ⊢ ((𝑅 ∈ Mnd ∧ 𝑛 ∈ ℕ₀) → (𝑛(._g‘𝑅)(0_g‘𝑅)) = (0_g‘𝑅))
112	3, 111	sylan 591	. . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ₀) → (𝑛(._g‘𝑅)(0_g‘𝑅)) = (0_g‘𝑅))
113	13	psrbagf 22028	. . . . . . . . 9 ⊢ (𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin} → 𝑘:𝐼⟶ℕ₀)
114	113	adantl 486	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑘:𝐼⟶ℕ₀)
115	6	adantr 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → 𝑋 ∈ 𝐼)
116	114, 115	ffvelcdmd 7070	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → (𝑘‘𝑋) ∈ ℕ₀)
117		peano2nn0 12535	. . . . . . 7 ⊢ ((𝑘‘𝑋) ∈ ℕ₀ → ((𝑘‘𝑋) + 1) ∈ ℕ₀)
118	116, 117	syl 18	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {ℎ ∈ (ℕ₀ ↑_m 𝐼) ∣ (^◡ℎ “ ℕ) ∈ Fin}) → ((𝑘‘𝑋) + 1) ∈ ℕ₀)
119		fvexd 6886	. . . . . 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 8182	. . . . 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 9217	. . . 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 9314	. . 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 5127	. 2 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) finSupp (0_g‘𝑅))
124	7, 1, 2, 37, 8	mplelbas 22100	. 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 594	1 ⊢ (𝜑 → (((𝐼 mPSDer 𝑅)‘𝑋)‘𝐹) ∈ 𝐵)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 400 = wceq 1563 ∈ wcel 2145 {crab 3417 Vcvv 3457 ifcif 4483 class class class wbr 5105 ↦ cmpt 5186 I cid 5546 ^◡ccnv 5651 ran crn 5653 ↾ cres 5654 “ cima 5655 ∘ ccom 5656 Fun wfun 6519 Fn wfn 6520 ⟶wf 6521 –1-1→wf1 6522 ‘cfv 6525 (class class class)co 7400 ∘_f cof 7662 supp csupp 8144 ↑_m cmap 8812 Fincfn 8931 finSupp cfsupp 9309 ℂcc 11086 0cc0 11088 1c1 11089 + caddc 11091 − cmin 11429 ℕcn 12224 ℕ₀cn0 12495 Basecbs 17259 0_gc0g 17482 Mgmcmgm 18686 Mndcmnd 18782 ._gcmg 19124 mPwSer cmps 22014 mPoly cmpl 22016 mPSDer cpsd 22257

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5232 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165

This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4869 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-of 7664 df-om 7851 df-1st 7974 df-2nd 7975 df-supp 8145 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-er 8682 df-map 8814 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-fsupp 9310 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12225 df-2 12294 df-3 12295 df-4 12296 df-5 12297 df-6 12298 df-7 12299 df-8 12300 df-9 12301 df-n0 12496 df-z 12583 df-uz 12854 df-fz 13527 df-seq 14029 df-struct 17197 df-sets 17214 df-slot 17232 df-ndx 17244 df-base 17260 df-ress 17281 df-plusg 17313 df-mulr 17314 df-sca 17316 df-vsca 17317 df-tset 17319 df-0g 17484 df-mgm 18688 df-sgrp 18767 df-mnd 18783 df-mulg 19125 df-psr 22019 df-mpl 22021 df-psd 22279

This theorem is referenced by: (None)

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