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Theorem cpmatmcllem 20442
Description: Lemma for cpmatmcl 20443. (Contributed by AV, 18-Nov-2019.)
Hypotheses
Ref Expression
cpmatsrngpmat.s 𝑆 = (𝑁 ConstPolyMat 𝑅)
cpmatsrngpmat.p 𝑃 = (Poly1𝑅)
cpmatsrngpmat.c 𝐶 = (𝑁 Mat 𝑃)
Assertion
Ref Expression
cpmatmcllem (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝑆𝑦𝑆)) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))
Distinct variable groups:   𝐶,𝑖,𝑗   𝑖,𝑁,𝑗   𝑅,𝑖,𝑗   𝐶,𝑐   𝑁,𝑐,𝑥,𝑦,𝑖,𝑗   𝑃,𝑐   𝑅,𝑐,𝑥,𝑦   𝑦,𝑆   𝐶,𝑘   𝑘,𝑁,𝑐,𝑖,𝑗,𝑥,𝑦   𝑃,𝑘   𝑅,𝑘
Allowed substitution hints:   𝐶(𝑥,𝑦)   𝑃(𝑥,𝑦,𝑖,𝑗)   𝑆(𝑥,𝑖,𝑗,𝑘,𝑐)

Proof of Theorem cpmatmcllem
Dummy variable 𝑙 is distinct from all other variables.
StepHypRef Expression
1 cpmatsrngpmat.s . . . 4 𝑆 = (𝑁 ConstPolyMat 𝑅)
2 cpmatsrngpmat.p . . . 4 𝑃 = (Poly1𝑅)
3 cpmatsrngpmat.c . . . 4 𝐶 = (𝑁 Mat 𝑃)
4 eqid 2621 . . . 4 (Base‘𝐶) = (Base‘𝐶)
51, 2, 3, 4cpmatelimp 20436 . . 3 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑥𝑆 → (𝑥 ∈ (Base‘𝐶) ∧ ∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅))))
61, 2, 3, 4cpmatelimp 20436 . . . . . . . 8 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑦𝑆 → (𝑦 ∈ (Base‘𝐶) ∧ ∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))))
76adantr 481 . . . . . . 7 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ 𝑥 ∈ (Base‘𝐶)) → (𝑦𝑆 → (𝑦 ∈ (Base‘𝐶) ∧ ∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))))
8 ralcom 3090 . . . . . . . . . . . . . . . 16 (∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) ↔ ∀𝑗𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))
9 r19.26-2 3058 . . . . . . . . . . . . . . . . . . . . . . 23 (∀𝑙𝑁𝑐 ∈ ℕ (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) ↔ (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)))
10 ralcom 3090 . . . . . . . . . . . . . . . . . . . . . . 23 (∀𝑙𝑁𝑐 ∈ ℕ (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) ↔ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)))
119, 10bitr3i 266 . . . . . . . . . . . . . . . . . . . . . 22 ((∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) ↔ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)))
12 nfv 1840 . . . . . . . . . . . . . . . . . . . . . . . . . 26 𝑐(((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁))
13 nfra1 2936 . . . . . . . . . . . . . . . . . . . . . . . . . 26 𝑐𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))
1412, 13nfan 1825 . . . . . . . . . . . . . . . . . . . . . . . . 25 𝑐((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)))
15 simp-4r 806 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑅 ∈ Ring)
16 eqid 2621 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (Base‘𝑃) = (Base‘𝑃)
17 simplrl 799 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑖𝑁)
18 simpr 477 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑘𝑁)
19 simplrl 799 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → 𝑥 ∈ (Base‘𝐶))
2019adantr 481 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑥 ∈ (Base‘𝐶))
213, 16, 4, 17, 18, 20matecld 20151 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → (𝑖𝑥𝑘) ∈ (Base‘𝑃))
22 simplrr 800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑗𝑁)
23 simplrr 800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → 𝑦 ∈ (Base‘𝐶))
2423adantr 481 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑦 ∈ (Base‘𝐶))
253, 16, 4, 18, 22, 24matecld 20151 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → (𝑘𝑦𝑗) ∈ (Base‘𝑃))
2615, 21, 25jca32 557 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → (𝑅 ∈ Ring ∧ ((𝑖𝑥𝑘) ∈ (Base‘𝑃) ∧ (𝑘𝑦𝑗) ∈ (Base‘𝑃))))
2726adantlr 750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑘𝑁) → (𝑅 ∈ Ring ∧ ((𝑖𝑥𝑘) ∈ (Base‘𝑃) ∧ (𝑘𝑦𝑗) ∈ (Base‘𝑃))))
28 oveq2 6612 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 (𝑙 = 𝑘 → (𝑖𝑥𝑙) = (𝑖𝑥𝑘))
2928fveq2d 6152 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 (𝑙 = 𝑘 → (coe1‘(𝑖𝑥𝑙)) = (coe1‘(𝑖𝑥𝑘)))
3029fveq1d 6150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 (𝑙 = 𝑘 → ((coe1‘(𝑖𝑥𝑙))‘𝑐) = ((coe1‘(𝑖𝑥𝑘))‘𝑐))
3130eqeq1d 2623 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 (𝑙 = 𝑘 → (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ↔ ((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅)))
32 oveq1 6611 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 (𝑙 = 𝑘 → (𝑙𝑦𝑗) = (𝑘𝑦𝑗))
3332fveq2d 6152 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 (𝑙 = 𝑘 → (coe1‘(𝑙𝑦𝑗)) = (coe1‘(𝑘𝑦𝑗)))
3433fveq1d 6150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 (𝑙 = 𝑘 → ((coe1‘(𝑙𝑦𝑗))‘𝑐) = ((coe1‘(𝑘𝑦𝑗))‘𝑐))
3534eqeq1d 2623 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 (𝑙 = 𝑘 → (((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) ↔ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅)))
3631, 35anbi12d 746 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 (𝑙 = 𝑘 → ((((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) ↔ (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))
3736rspcva 3293 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 ((𝑘𝑁 ∧ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅)))
3837a1i 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → ((𝑘𝑁 ∧ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))
3938exp4b 631 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → (𝑐 ∈ ℕ → (𝑘𝑁 → (∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))))
4039com23 86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → (𝑘𝑁 → (𝑐 ∈ ℕ → (∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))))
4140imp31 448 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) ∧ 𝑐 ∈ ℕ) → (∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))
4241ralimdva 2956 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → (∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → ∀𝑐 ∈ ℕ (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))
4342impancom 456 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → (𝑘𝑁 → ∀𝑐 ∈ ℕ (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅))))
4443imp 445 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑘𝑁) → ∀𝑐 ∈ ℕ (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅)))
45 eqid 2621 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (0g𝑅) = (0g𝑅)
46 eqid 2621 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 (.r𝑃) = (.r𝑃)
472, 16, 45, 46cply1mul 19583 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ((𝑅 ∈ Ring ∧ ((𝑖𝑥𝑘) ∈ (Base‘𝑃) ∧ (𝑘𝑦𝑗) ∈ (Base‘𝑃))) → (∀𝑐 ∈ ℕ (((coe1‘(𝑖𝑥𝑘))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑘𝑦𝑗))‘𝑐) = (0g𝑅)) → ∀𝑐 ∈ ℕ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐) = (0g𝑅)))
4827, 44, 47sylc 65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑘𝑁) → ∀𝑐 ∈ ℕ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐) = (0g𝑅))
4948r19.21bi 2927 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑘𝑁) ∧ 𝑐 ∈ ℕ) → ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐) = (0g𝑅))
5049an32s 845 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑐 ∈ ℕ) ∧ 𝑘𝑁) → ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐) = (0g𝑅))
5150mpteq2dva 4704 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑐 ∈ ℕ) → (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐)) = (𝑘𝑁 ↦ (0g𝑅)))
5251oveq2d 6620 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑐 ∈ ℕ) → (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (𝑅 Σg (𝑘𝑁 ↦ (0g𝑅))))
53 ringmnd 18477 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝑅 ∈ Ring → 𝑅 ∈ Mnd)
5453anim2i 592 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑁 ∈ Fin ∧ 𝑅 ∈ Mnd))
5554ancomd 467 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑅 ∈ Mnd ∧ 𝑁 ∈ Fin))
5645gsumz 17295 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((𝑅 ∈ Mnd ∧ 𝑁 ∈ Fin) → (𝑅 Σg (𝑘𝑁 ↦ (0g𝑅))) = (0g𝑅))
5755, 56syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑅 Σg (𝑘𝑁 ↦ (0g𝑅))) = (0g𝑅))
5857ad4antr 767 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑐 ∈ ℕ) → (𝑅 Σg (𝑘𝑁 ↦ (0g𝑅))) = (0g𝑅))
5952, 58eqtrd 2655 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) ∧ 𝑐 ∈ ℕ) → (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (0g𝑅))
6059ex 450 . . . . . . . . . . . . . . . . . . . . . . . . 25 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → (𝑐 ∈ ℕ → (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (0g𝑅)))
6114, 60ralrimi 2951 . . . . . . . . . . . . . . . . . . . . . . . 24 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → ∀𝑐 ∈ ℕ (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (0g𝑅))
62 simp-4r 806 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → 𝑅 ∈ Ring)
63 nnnn0 11243 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑐 ∈ ℕ → 𝑐 ∈ ℕ0)
6463adantl 482 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → 𝑐 ∈ ℕ0)
652ply1ring 19537 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑅 ∈ Ring → 𝑃 ∈ Ring)
6665ad4antlr 768 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → 𝑃 ∈ Ring)
6716, 46ringcl 18482 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ((𝑃 ∈ Ring ∧ (𝑖𝑥𝑘) ∈ (Base‘𝑃) ∧ (𝑘𝑦𝑗) ∈ (Base‘𝑃)) → ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)) ∈ (Base‘𝑃))
6866, 21, 25, 67syl3anc 1323 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑘𝑁) → ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)) ∈ (Base‘𝑃))
6968ralrimiva 2960 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → ∀𝑘𝑁 ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)) ∈ (Base‘𝑃))
7069adantr 481 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → ∀𝑘𝑁 ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)) ∈ (Base‘𝑃))
71 simp-4l 805 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → 𝑁 ∈ Fin)
722, 16, 62, 64, 70, 71coe1fzgsumd 19591 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))))
7372eqeq1d 2623 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ 𝑐 ∈ ℕ) → (((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅) ↔ (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (0g𝑅)))
7473ralbidva 2979 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → (∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅) ↔ ∀𝑐 ∈ ℕ (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (0g𝑅)))
7574adantr 481 . . . . . . . . . . . . . . . . . . . . . . . 24 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → (∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅) ↔ ∀𝑐 ∈ ℕ (𝑅 Σg (𝑘𝑁 ↦ ((coe1‘((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))‘𝑐))) = (0g𝑅)))
7661, 75mpbird 247 . . . . . . . . . . . . . . . . . . . . . . 23 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) ∧ ∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅))) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))
7776ex 450 . . . . . . . . . . . . . . . . . . . . . 22 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → (∀𝑐 ∈ ℕ ∀𝑙𝑁 (((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
7811, 77syl5bi 232 . . . . . . . . . . . . . . . . . . . . 21 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → ((∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) ∧ ∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
7978expd 452 . . . . . . . . . . . . . . . . . . . 20 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ (𝑖𝑁𝑗𝑁)) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
8079expr 642 . . . . . . . . . . . . . . . . . . 19 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) → (𝑗𝑁 → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))))
8180com23 86 . . . . . . . . . . . . . . . . . 18 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → (𝑗𝑁 → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))))
8281imp31 448 . . . . . . . . . . . . . . . . 17 ((((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) ∧ ∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅)) ∧ 𝑗𝑁) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
8382ralimdva 2956 . . . . . . . . . . . . . . . 16 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) ∧ ∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅)) → (∀𝑗𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
848, 83syl5bi 232 . . . . . . . . . . . . . . 15 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) ∧ ∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅)) → (∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
8584ex 450 . . . . . . . . . . . . . 14 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → (∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → ∀𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
8685com23 86 . . . . . . . . . . . . 13 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ 𝑖𝑁) → (∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
8786impancom 456 . . . . . . . . . . . 12 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ ∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → (𝑖𝑁 → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
8887imp 445 . . . . . . . . . . 11 (((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ ∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) ∧ 𝑖𝑁) → (∀𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
8988ralimdva 2956 . . . . . . . . . 10 ((((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) ∧ ∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))
9089ex 450 . . . . . . . . 9 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥 ∈ (Base‘𝐶) ∧ 𝑦 ∈ (Base‘𝐶))) → (∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
9190expr 642 . . . . . . . 8 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ 𝑥 ∈ (Base‘𝐶)) → (𝑦 ∈ (Base‘𝐶) → (∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅) → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))))
9291impd 447 . . . . . . 7 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ 𝑥 ∈ (Base‘𝐶)) → ((𝑦 ∈ (Base‘𝐶) ∧ ∀𝑙𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑙𝑦𝑗))‘𝑐) = (0g𝑅)) → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
937, 92syld 47 . . . . . 6 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ 𝑥 ∈ (Base‘𝐶)) → (𝑦𝑆 → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
9493com23 86 . . . . 5 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ 𝑥 ∈ (Base‘𝐶)) → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → (𝑦𝑆 → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
9594ex 450 . . . 4 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑥 ∈ (Base‘𝐶) → (∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅) → (𝑦𝑆 → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅)))))
9695impd 447 . . 3 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → ((𝑥 ∈ (Base‘𝐶) ∧ ∀𝑖𝑁𝑙𝑁𝑐 ∈ ℕ ((coe1‘(𝑖𝑥𝑙))‘𝑐) = (0g𝑅)) → (𝑦𝑆 → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
975, 96syld 47 . 2 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → (𝑥𝑆 → (𝑦𝑆 → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))))
9897imp32 449 1 (((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) ∧ (𝑥𝑆𝑦𝑆)) → ∀𝑖𝑁𝑗𝑁𝑐 ∈ ℕ ((coe1‘(𝑃 Σg (𝑘𝑁 ↦ ((𝑖𝑥𝑘)(.r𝑃)(𝑘𝑦𝑗)))))‘𝑐) = (0g𝑅))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384   = wceq 1480  wcel 1987  wral 2907  cmpt 4673  cfv 5847  (class class class)co 6604  Fincfn 7899  cn 10964  0cn0 11236  Basecbs 15781  .rcmulr 15863  0gc0g 16021   Σg cgsu 16022  Mndcmnd 17215  Ringcrg 18468  Poly1cpl1 19466  coe1cco1 19467   Mat cmat 20132   ConstPolyMat ccpmat 20427
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4731  ax-sep 4741  ax-nul 4749  ax-pow 4803  ax-pr 4867  ax-un 6902  ax-inf2 8482  ax-cnex 9936  ax-resscn 9937  ax-1cn 9938  ax-icn 9939  ax-addcl 9940  ax-addrcl 9941  ax-mulcl 9942  ax-mulrcl 9943  ax-mulcom 9944  ax-addass 9945  ax-mulass 9946  ax-distr 9947  ax-i2m1 9948  ax-1ne0 9949  ax-1rid 9950  ax-rnegex 9951  ax-rrecex 9952  ax-cnre 9953  ax-pre-lttri 9954  ax-pre-lttrn 9955  ax-pre-ltadd 9956  ax-pre-mulgt0 9957
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-fal 1486  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3188  df-sbc 3418  df-csb 3515  df-dif 3558  df-un 3560  df-in 3562  df-ss 3569  df-pss 3571  df-nul 3892  df-if 4059  df-pw 4132  df-sn 4149  df-pr 4151  df-tp 4153  df-op 4155  df-ot 4157  df-uni 4403  df-int 4441  df-iun 4487  df-iin 4488  df-br 4614  df-opab 4674  df-mpt 4675  df-tr 4713  df-eprel 4985  df-id 4989  df-po 4995  df-so 4996  df-fr 5033  df-se 5034  df-we 5035  df-xp 5080  df-rel 5081  df-cnv 5082  df-co 5083  df-dm 5084  df-rn 5085  df-res 5086  df-ima 5087  df-pred 5639  df-ord 5685  df-on 5686  df-lim 5687  df-suc 5688  df-iota 5810  df-fun 5849  df-fn 5850  df-f 5851  df-f1 5852  df-fo 5853  df-f1o 5854  df-fv 5855  df-isom 5856  df-riota 6565  df-ov 6607  df-oprab 6608  df-mpt2 6609  df-of 6850  df-ofr 6851  df-om 7013  df-1st 7113  df-2nd 7114  df-supp 7241  df-wrecs 7352  df-recs 7413  df-rdg 7451  df-1o 7505  df-2o 7506  df-oadd 7509  df-er 7687  df-map 7804  df-pm 7805  df-ixp 7853  df-en 7900  df-dom 7901  df-sdom 7902  df-fin 7903  df-fsupp 8220  df-sup 8292  df-oi 8359  df-card 8709  df-pnf 10020  df-mnf 10021  df-xr 10022  df-ltxr 10023  df-le 10024  df-sub 10212  df-neg 10213  df-nn 10965  df-2 11023  df-3 11024  df-4 11025  df-5 11026  df-6 11027  df-7 11028  df-8 11029  df-9 11030  df-n0 11237  df-z 11322  df-dec 11438  df-uz 11632  df-fz 12269  df-fzo 12407  df-seq 12742  df-hash 13058  df-struct 15783  df-ndx 15784  df-slot 15785  df-base 15786  df-sets 15787  df-ress 15788  df-plusg 15875  df-mulr 15876  df-sca 15878  df-vsca 15879  df-ip 15880  df-tset 15881  df-ple 15882  df-ds 15885  df-hom 15887  df-cco 15888  df-0g 16023  df-gsum 16024  df-prds 16029  df-pws 16031  df-mre 16167  df-mrc 16168  df-acs 16170  df-mgm 17163  df-sgrp 17205  df-mnd 17216  df-mhm 17256  df-submnd 17257  df-grp 17346  df-minusg 17347  df-mulg 17462  df-subg 17512  df-ghm 17579  df-cntz 17671  df-cmn 18116  df-abl 18117  df-mgp 18411  df-ur 18423  df-ring 18470  df-subrg 18699  df-sra 19091  df-rgmod 19092  df-psr 19275  df-mpl 19277  df-opsr 19279  df-psr1 19469  df-ply1 19471  df-coe1 19472  df-dsmm 19995  df-frlm 20010  df-mat 20133  df-cpmat 20430
This theorem is referenced by:  cpmatmcl  20443
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