Theorem rhmcomulpsr 42590

Description: Show that the ring homomorphism in rhmpsr 42591 preserves multiplication. (Contributed by SN, 18-May-2025.)

Hypotheses

Ref	Expression
rhmcomulpsr.p	⊢ 𝑃 = (𝐼 mPwSer 𝑅)
rhmcomulpsr.q	⊢ 𝑄 = (𝐼 mPwSer 𝑆)
rhmcomulpsr.b	⊢ 𝐵 = (Base‘𝑃)
rhmcomulpsr.c	⊢ 𝐶 = (Base‘𝑄)
rhmcomulpsr.1	⊢ · = (.r‘𝑃)
rhmcomulpsr.2	⊢ ∙ = (.r‘𝑄)
rhmcomulpsr.h	⊢ (𝜑 → 𝐻 ∈ (𝑅 RingHom 𝑆))
rhmcomulpsr.f	⊢ (𝜑 → 𝐹 ∈ 𝐵)
rhmcomulpsr.g	⊢ (𝜑 → 𝐺 ∈ 𝐵)

Assertion

Ref	Expression
rhmcomulpsr	⊢ (𝜑 → (𝐻 ∘ (𝐹 · 𝐺)) = ((𝐻 ∘ 𝐹) ∙ (𝐻 ∘ 𝐺)))

Proof of Theorem rhmcomulpsr

Dummy variables 𝑑 𝑘 𝑒 𝑓 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		rhmcomulpsr.h	. . . . 5 ⊢ (𝜑 → 𝐻 ∈ (𝑅 RingHom 𝑆))
2		eqid 2731	. . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅)
3		eqid 2731	. . . . . 6 ⊢ (Base‘𝑆) = (Base‘𝑆)
4	2, 3	rhmf 20403	. . . . 5 ⊢ (𝐻 ∈ (𝑅 RingHom 𝑆) → 𝐻:(Base‘𝑅)⟶(Base‘𝑆))
5	1, 4	syl 17	. . . 4 ⊢ (𝜑 → 𝐻:(Base‘𝑅)⟶(Base‘𝑆))
6		eqid 2731	. . . . 5 ⊢ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}
7		rhmrcl1 20395	. . . . . 6 ⊢ (𝐻 ∈ (𝑅 RingHom 𝑆) → 𝑅 ∈ Ring)
8	1, 7	syl 17	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ Ring)
9		rhmcomulpsr.p	. . . . . 6 ⊢ 𝑃 = (𝐼 mPwSer 𝑅)
10		rhmcomulpsr.b	. . . . . 6 ⊢ 𝐵 = (Base‘𝑃)
11		rhmcomulpsr.f	. . . . . 6 ⊢ (𝜑 → 𝐹 ∈ 𝐵)
12	9, 2, 6, 10, 11	psrelbas 21872	. . . . 5 ⊢ (𝜑 → 𝐹:{𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝑅))
13		rhmcomulpsr.g	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ 𝐵)
14	9, 2, 6, 10, 13	psrelbas 21872	. . . . 5 ⊢ (𝜑 → 𝐺:{𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝑅))
15	6, 8, 12, 14	rhmpsrlem2 21879	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))) ∈ (Base‘𝑅))
16	5, 15	cofmpt 7065	. . 3 ⊢ (𝜑 → (𝐻 ∘ (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))))) = (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝐻‘(𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))))))
17		eqid 2731	. . . . . 6 ⊢ (0g‘𝑅) = (0g‘𝑅)
18	8	ringcmnd 20203	. . . . . . 7 ⊢ (𝜑 → 𝑅 ∈ CMnd)
19	18	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → 𝑅 ∈ CMnd)
20		rhmrcl2 20396	. . . . . . . . . 10 ⊢ (𝐻 ∈ (𝑅 RingHom 𝑆) → 𝑆 ∈ Ring)
21	1, 20	syl 17	. . . . . . . . 9 ⊢ (𝜑 → 𝑆 ∈ Ring)
22	21	ringgrpd 20161	. . . . . . . 8 ⊢ (𝜑 → 𝑆 ∈ Grp)
23	22	grpmndd 18859	. . . . . . 7 ⊢ (𝜑 → 𝑆 ∈ Mnd)
24	23	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → 𝑆 ∈ Mnd)
25		ovex 7379	. . . . . . . . 9 ⊢ (ℕ0 ↑m 𝐼) ∈ V
26	25	rabex 5277	. . . . . . . 8 ⊢ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∈ V
27	26	rabex 5277	. . . . . . 7 ⊢ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ∈ V
28	27	a1i 11	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ∈ V)
29		rhmghm 20402	. . . . . . . 8 ⊢ (𝐻 ∈ (𝑅 RingHom 𝑆) → 𝐻 ∈ (𝑅 GrpHom 𝑆))
30		ghmmhm 19139	. . . . . . . 8 ⊢ (𝐻 ∈ (𝑅 GrpHom 𝑆) → 𝐻 ∈ (𝑅 MndHom 𝑆))
31	1, 29, 30	3syl 18	. . . . . . 7 ⊢ (𝜑 → 𝐻 ∈ (𝑅 MndHom 𝑆))
32	31	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → 𝐻 ∈ (𝑅 MndHom 𝑆))
33		eqid 2731	. . . . . . 7 ⊢ (.r‘𝑅) = (.r‘𝑅)
34	8	ad2antrr 726	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → 𝑅 ∈ Ring)
35		elrabi 3643	. . . . . . . . 9 ⊢ (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} → 𝑑 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin})
36	12	ffvelcdmda 7017	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑑 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝐹‘𝑑) ∈ (Base‘𝑅))
37	35, 36	sylan2 593	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝐹‘𝑑) ∈ (Base‘𝑅))
38	37	adantlr 715	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝐹‘𝑑) ∈ (Base‘𝑅))
39	14	ad2antrr 726	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → 𝐺:{𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝑅))
40		eqid 2731	. . . . . . . . . . 11 ⊢ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} = {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}
41	6, 40	psrbagconcl 21865	. . . . . . . . . 10 ⊢ ((𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝑘 ∘f − 𝑑) ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘})
42	41	adantll 714	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝑘 ∘f − 𝑑) ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘})
43		elrabi 3643	. . . . . . . . 9 ⊢ ((𝑘 ∘f − 𝑑) ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} → (𝑘 ∘f − 𝑑) ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin})
44	42, 43	syl 17	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝑘 ∘f − 𝑑) ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin})
45	39, 44	ffvelcdmd 7018	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝐺‘(𝑘 ∘f − 𝑑)) ∈ (Base‘𝑅))
46	2, 33, 34, 38, 45	ringcld 20179	. . . . . 6 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))) ∈ (Base‘𝑅))
47	6, 8, 12, 14	rhmpsrlem1 21878	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))) finSupp (0g‘𝑅))
48	2, 17, 19, 24, 28, 32, 46, 47	gsummptmhm 19853	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (𝐻‘((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))))) = (𝐻‘(𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))))))
49	1	ad2antrr 726	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → 𝐻 ∈ (𝑅 RingHom 𝑆))
50		eqid 2731	. . . . . . . . . 10 ⊢ (.r‘𝑆) = (.r‘𝑆)
51	2, 33, 50	rhmmul 20404	. . . . . . . . 9 ⊢ ((𝐻 ∈ (𝑅 RingHom 𝑆) ∧ (𝐹‘𝑑) ∈ (Base‘𝑅) ∧ (𝐺‘(𝑘 ∘f − 𝑑)) ∈ (Base‘𝑅)) → (𝐻‘((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))) = ((𝐻‘(𝐹‘𝑑))(.r‘𝑆)(𝐻‘(𝐺‘(𝑘 ∘f − 𝑑)))))
52	49, 38, 45, 51	syl3anc 1373	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝐻‘((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))) = ((𝐻‘(𝐹‘𝑑))(.r‘𝑆)(𝐻‘(𝐺‘(𝑘 ∘f − 𝑑)))))
53	12	ad2antrr 726	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → 𝐹:{𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}⟶(Base‘𝑅))
54	35	adantl 481	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → 𝑑 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin})
55	53, 54	fvco3d 6922	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → ((𝐻 ∘ 𝐹)‘𝑑) = (𝐻‘(𝐹‘𝑑)))
56	39, 44	fvco3d 6922	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → ((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑)) = (𝐻‘(𝐺‘(𝑘 ∘f − 𝑑))))
57	55, 56	oveq12d 7364	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑))) = ((𝐻‘(𝐹‘𝑑))(.r‘𝑆)(𝐻‘(𝐺‘(𝑘 ∘f − 𝑑)))))
58	52, 57	eqtr4d 2769	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) ∧ 𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘}) → (𝐻‘((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))) = (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑))))
59	58	mpteq2dva 5184	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (𝐻‘((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))) = (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑)))))
60	59	oveq2d 7362	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (𝐻‘((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))))) = (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑))))))
61	48, 60	eqtr3d 2768	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin}) → (𝐻‘(𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))))) = (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑))))))
62	61	mpteq2dva 5184	. . 3 ⊢ (𝜑 → (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝐻‘(𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))))) = (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑)))))))
63	16, 62	eqtrd 2766	. 2 ⊢ (𝜑 → (𝐻 ∘ (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))))) = (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑)))))))
64		rhmcomulpsr.1	. . . 4 ⊢ · = (.r‘𝑃)
65	9, 10, 33, 64, 6, 11, 13	psrmulfval 21881	. . 3 ⊢ (𝜑 → (𝐹 · 𝐺) = (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑)))))))
66	65	coeq2d 5802	. 2 ⊢ (𝜑 → (𝐻 ∘ (𝐹 · 𝐺)) = (𝐻 ∘ (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑅 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ ((𝐹‘𝑑)(.r‘𝑅)(𝐺‘(𝑘 ∘f − 𝑑))))))))
67		rhmcomulpsr.q	. . 3 ⊢ 𝑄 = (𝐼 mPwSer 𝑆)
68		rhmcomulpsr.c	. . 3 ⊢ 𝐶 = (Base‘𝑄)
69		rhmcomulpsr.2	. . 3 ⊢ ∙ = (.r‘𝑄)
70	9, 67, 10, 68, 31, 11	mhmcopsr 42588	. . 3 ⊢ (𝜑 → (𝐻 ∘ 𝐹) ∈ 𝐶)
71	9, 67, 10, 68, 31, 13	mhmcopsr 42588	. . 3 ⊢ (𝜑 → (𝐻 ∘ 𝐺) ∈ 𝐶)
72	67, 68, 50, 69, 6, 70, 71	psrmulfval 21881	. 2 ⊢ (𝜑 → ((𝐻 ∘ 𝐹) ∙ (𝐻 ∘ 𝐺)) = (𝑘 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ↦ (𝑆 Σg (𝑑 ∈ {𝑒 ∈ {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} ∣ 𝑒 ∘r ≤ 𝑘} ↦ (((𝐻 ∘ 𝐹)‘𝑑)(.r‘𝑆)((𝐻 ∘ 𝐺)‘(𝑘 ∘f − 𝑑)))))))
73	63, 66, 72	3eqtr4d 2776	1 ⊢ (𝜑 → (𝐻 ∘ (𝐹 · 𝐺)) = ((𝐻 ∘ 𝐹) ∙ (𝐻 ∘ 𝐺)))

Syntax hints:   → wi 4   ∧ wa 395   = wceq 1541   ∈ wcel 2111  {crab 3395  Vcvv 3436   class class class wbr 5091   ↦ cmpt 5172  ^◡ccnv 5615   “ cima 5619   ∘ ccom 5620  ⟶wf 6477  ‘cfv 6481  (class class class)co 7346   ∘_f cof 7608   ∘_r cofr 7609   ↑_m cmap 8750  Fincfn 8869   ≤ cle 11147   − cmin 11344  ℕcn 12125  ℕ₀cn0 12381  Basecbs 17120  ._rcmulr 17162  0_gc0g 17343   Σ_g cgsu 17344  Mndcmnd 18642   MndHom cmhm 18689   GrpHom cghm 19125  CMndccmn 19693  Ringcrg 20152   RingHom crh 20388   mPwSer cmps 21842

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5217  ax-sep 5234  ax-nul 5244  ax-pow 5303  ax-pr 5370  ax-un 7668  ax-cnex 11062  ax-resscn 11063  ax-1cn 11064  ax-icn 11065  ax-addcl 11066  ax-addrcl 11067  ax-mulcl 11068  ax-mulrcl 11069  ax-mulcom 11070  ax-addass 11071  ax-mulass 11072  ax-distr 11073  ax-i2m1 11074  ax-1ne0 11075  ax-1rid 11076  ax-rnegex 11077  ax-rrecex 11078  ax-cnre 11079  ax-pre-lttri 11080  ax-pre-lttrn 11081  ax-pre-ltadd 11082  ax-pre-mulgt0 11083

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3742  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-pss 3922  df-nul 4284  df-if 4476  df-pw 4552  df-sn 4577  df-pr 4579  df-tp 4581  df-op 4583  df-uni 4860  df-int 4898  df-iun 4943  df-br 5092  df-opab 5154  df-mpt 5173  df-tr 5199  df-id 5511  df-eprel 5516  df-po 5524  df-so 5525  df-fr 5569  df-se 5570  df-we 5571  df-xp 5622  df-rel 5623  df-cnv 5624  df-co 5625  df-dm 5626  df-rn 5627  df-res 5628  df-ima 5629  df-pred 6248  df-ord 6309  df-on 6310  df-lim 6311  df-suc 6312  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-f1 6486  df-fo 6487  df-f1o 6488  df-fv 6489  df-isom 6490  df-riota 7303  df-ov 7349  df-oprab 7350  df-mpo 7351  df-of 7610  df-ofr 7611  df-om 7797  df-1st 7921  df-2nd 7922  df-supp 8091  df-frecs 8211  df-wrecs 8242  df-recs 8291  df-rdg 8329  df-1o 8385  df-er 8622  df-map 8752  df-pm 8753  df-ixp 8822  df-en 8870  df-dom 8871  df-sdom 8872  df-fin 8873  df-fsupp 9246  df-oi 9396  df-card 9832  df-pnf 11148  df-mnf 11149  df-xr 11150  df-ltxr 11151  df-le 11152  df-sub 11346  df-neg 11347  df-nn 12126  df-2 12188  df-3 12189  df-4 12190  df-5 12191  df-6 12192  df-7 12193  df-8 12194  df-9 12195  df-n0 12382  df-z 12469  df-uz 12733  df-fz 13408  df-fzo 13555  df-seq 13909  df-hash 14238  df-struct 17058  df-sets 17075  df-slot 17093  df-ndx 17105  df-base 17121  df-plusg 17174  df-mulr 17175  df-sca 17177  df-vsca 17178  df-tset 17180  df-0g 17345  df-gsum 17346  df-mgm 18548  df-sgrp 18627  df-mnd 18643  df-mhm 18691  df-grp 18849  df-minusg 18850  df-ghm 19126  df-cntz 19230  df-cmn 19695  df-abl 19696  df-mgp 20060  df-ur 20101  df-ring 20154  df-rhm 20391  df-psr 21847

This theorem is referenced by:  rhmpsr  42591