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Theorem mdetmul 21235
Description: Multiplicativity of the determinant function: the determinant of a matrix product of square matrices equals the product of their determinants. Proposition 4.15 in [Lang] p. 517. (Contributed by Stefan O'Rear, 16-Jul-2018.)
Hypotheses
Ref Expression
mdetmul.a 𝐴 = (𝑁 Mat 𝑅)
mdetmul.b 𝐵 = (Base‘𝐴)
mdetmul.d 𝐷 = (𝑁 maDet 𝑅)
mdetmul.t1 · = (.r𝑅)
mdetmul.t2 = (.r𝐴)
Assertion
Ref Expression
mdetmul ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷‘(𝐹 𝐺)) = ((𝐷𝐹) · (𝐷𝐺)))

Proof of Theorem mdetmul
Dummy variables 𝑎 𝑏 𝑐 𝑑 𝑒 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 mdetmul.a . . 3 𝐴 = (𝑁 Mat 𝑅)
2 mdetmul.b . . 3 𝐵 = (Base‘𝐴)
3 eqid 2824 . . 3 (Base‘𝑅) = (Base‘𝑅)
4 eqid 2824 . . 3 (0g𝑅) = (0g𝑅)
5 eqid 2824 . . 3 (1r𝑅) = (1r𝑅)
6 eqid 2824 . . 3 (+g𝑅) = (+g𝑅)
7 mdetmul.t1 . . 3 · = (.r𝑅)
81, 2matrcl 21024 . . . . 5 (𝐹𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V))
98simpld 498 . . . 4 (𝐹𝐵𝑁 ∈ Fin)
1093ad2ant2 1131 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝑁 ∈ Fin)
11 crngring 19312 . . . 4 (𝑅 ∈ CRing → 𝑅 ∈ Ring)
12113ad2ant1 1130 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝑅 ∈ Ring)
13 mdetmul.d . . . . . . . 8 𝐷 = (𝑁 maDet 𝑅)
1413, 1, 2, 3mdetf 21207 . . . . . . 7 (𝑅 ∈ CRing → 𝐷:𝐵⟶(Base‘𝑅))
15143ad2ant1 1130 . . . . . 6 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐷:𝐵⟶(Base‘𝑅))
1615adantr 484 . . . . 5 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝐷:𝐵⟶(Base‘𝑅))
171matring 21055 . . . . . . . 8 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐴 ∈ Ring)
1810, 12, 17syl2anc 587 . . . . . . 7 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐴 ∈ Ring)
1918adantr 484 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝐴 ∈ Ring)
20 simpr 488 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝑎𝐵)
21 simpl3 1190 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝐺𝐵)
22 mdetmul.t2 . . . . . . 7 = (.r𝐴)
232, 22ringcl 19317 . . . . . 6 ((𝐴 ∈ Ring ∧ 𝑎𝐵𝐺𝐵) → (𝑎 𝐺) ∈ 𝐵)
2419, 20, 21, 23syl3anc 1368 . . . . 5 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → (𝑎 𝐺) ∈ 𝐵)
2516, 24ffvelrnd 6844 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → (𝐷‘(𝑎 𝐺)) ∈ (Base‘𝑅))
2625fmpttd 6871 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺))):𝐵⟶(Base‘𝑅))
27 simp21 1203 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑏𝐵)
28 fvoveq1 7173 . . . . . . . 8 (𝑎 = 𝑏 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝑏 𝐺)))
29 eqid 2824 . . . . . . . 8 (𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺))) = (𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))
30 fvex 6675 . . . . . . . 8 (𝐷‘(𝑏 𝐺)) ∈ V
3128, 29, 30fvmpt 6760 . . . . . . 7 (𝑏𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
3227, 31syl 17 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
33 simp11 1200 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑅 ∈ CRing)
3418adantr 484 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → 𝐴 ∈ Ring)
35 simpr1 1191 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → 𝑏𝐵)
36 simpl3 1190 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → 𝐺𝐵)
372, 22ringcl 19317 . . . . . . . . 9 ((𝐴 ∈ Ring ∧ 𝑏𝐵𝐺𝐵) → (𝑏 𝐺) ∈ 𝐵)
3834, 35, 36, 37syl3anc 1368 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → (𝑏 𝐺) ∈ 𝐵)
39383adant3 1129 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → (𝑏 𝐺) ∈ 𝐵)
40 simp22 1204 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑐𝑁)
41 simp23 1205 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑑𝑁)
42 simp3l 1198 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑐𝑑)
43 simpl3r 1226 . . . . . . . . . 10 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))
44 eqid 2824 . . . . . . . . . . . 12 𝑁 = 𝑁
45 oveq1 7157 . . . . . . . . . . . . 13 ((𝑐𝑏𝑒) = (𝑑𝑏𝑒) → ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)) = ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))
4645ralimi 3155 . . . . . . . . . . . 12 (∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒) → ∀𝑒𝑁 ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)) = ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))
47 mpteq12 5140 . . . . . . . . . . . 12 ((𝑁 = 𝑁 ∧ ∀𝑒𝑁 ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)) = ((𝑑𝑏𝑒) · (𝑒𝐺𝑎))) → (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎))) = (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎))))
4844, 46, 47sylancr 590 . . . . . . . . . . 11 (∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒) → (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎))) = (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎))))
4948oveq2d 7166 . . . . . . . . . 10 (∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒) → (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
5043, 49syl 17 . . . . . . . . 9 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
51 simp1 1133 . . . . . . . . . . . . . . 15 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝑅 ∈ CRing)
52 eqid 2824 . . . . . . . . . . . . . . . . 17 (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)
531, 52matmulr 21050 . . . . . . . . . . . . . . . 16 ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = (.r𝐴))
5453, 22syl6eqr 2877 . . . . . . . . . . . . . . 15 ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
5510, 51, 54syl2anc 587 . . . . . . . . . . . . . 14 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
5655ad2antrr 725 . . . . . . . . . . . . 13 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
5756oveqd 7167 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑏 𝐺))
5857oveqd 7167 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑐(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑐(𝑏 𝐺)𝑎))
59 simpll1 1209 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑅 ∈ CRing)
6010ad2antrr 725 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑁 ∈ Fin)
61 simplr1 1212 . . . . . . . . . . . . 13 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑏𝐵)
621, 3, 2matbas2i 21034 . . . . . . . . . . . . 13 (𝑏𝐵𝑏 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
6361, 62syl 17 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑏 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
641, 3, 2matbas2i 21034 . . . . . . . . . . . . . 14 (𝐺𝐵𝐺 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
65643ad2ant3 1132 . . . . . . . . . . . . 13 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐺 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
6665ad2antrr 725 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝐺 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
67 simplr2 1213 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑐𝑁)
68 simpr 488 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑎𝑁)
6952, 3, 7, 59, 60, 60, 60, 63, 66, 67, 68mamufv 21001 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑐(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))))
7058, 69eqtr3d 2861 . . . . . . . . . 10 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑐(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))))
71703adantl3 1165 . . . . . . . . 9 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑐(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))))
7257oveqd 7167 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑑(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑑(𝑏 𝐺)𝑎))
73 simplr3 1214 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑑𝑁)
7452, 3, 7, 59, 60, 60, 60, 63, 66, 73, 68mamufv 21001 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑑(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
7572, 74eqtr3d 2861 . . . . . . . . . 10 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑑(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
76753adantl3 1165 . . . . . . . . 9 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑑(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
7750, 71, 763eqtr4d 2869 . . . . . . . 8 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑐(𝑏 𝐺)𝑎) = (𝑑(𝑏 𝐺)𝑎))
7877ralrimiva 3177 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → ∀𝑎𝑁 (𝑐(𝑏 𝐺)𝑎) = (𝑑(𝑏 𝐺)𝑎))
7913, 1, 2, 4, 33, 39, 40, 41, 42, 78mdetralt 21220 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → (𝐷‘(𝑏 𝐺)) = (0g𝑅))
8032, 79eqtrd 2859 . . . . 5 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (0g𝑅))
81803expia 1118 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → ((𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒)) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (0g𝑅)))
8281ralrimivvva 3187 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ∀𝑏𝐵𝑐𝑁𝑑𝑁 ((𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒)) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (0g𝑅)))
83 simp11 1200 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑅 ∈ CRing)
8418adantr 484 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝐴 ∈ Ring)
85 simprll 778 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏𝐵)
86 simpl3 1190 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺𝐵)
8784, 85, 86, 37syl3anc 1368 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏 𝐺) ∈ 𝐵)
88873adant3 1129 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 𝐺) ∈ 𝐵)
89 simprlr 779 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑐𝐵)
902, 22ringcl 19317 . . . . . . . . . . 11 ((𝐴 ∈ Ring ∧ 𝑐𝐵𝐺𝐵) → (𝑐 𝐺) ∈ 𝐵)
9184, 89, 86, 90syl3anc 1368 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑐 𝐺) ∈ 𝐵)
92913adant3 1129 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑐 𝐺) ∈ 𝐵)
93 simprrl 780 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑𝐵)
942, 22ringcl 19317 . . . . . . . . . . 11 ((𝐴 ∈ Ring ∧ 𝑑𝐵𝐺𝐵) → (𝑑 𝐺) ∈ 𝐵)
9584, 93, 86, 94syl3anc 1368 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 𝐺) ∈ 𝐵)
96953adant3 1129 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑑 𝐺) ∈ 𝐵)
97 simp2rr 1240 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑒𝑁)
98 simp31 1206 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))))
9998oveq1d 7165 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
10012adantr 484 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ Ring)
101 eqid 2824 . . . . . . . . . . . . 13 (𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩) = (𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)
102 snfi 8591 . . . . . . . . . . . . . 14 {𝑒} ∈ Fin
103102a1i 11 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ∈ Fin)
10410adantr 484 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑁 ∈ Fin)
1051, 3, 2matbas2i 21034 . . . . . . . . . . . . . . 15 (𝑐𝐵𝑐 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
10689, 105syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑐 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
107 simprrr 781 . . . . . . . . . . . . . . . 16 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑒𝑁)
108107snssd 4727 . . . . . . . . . . . . . . 15 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ⊆ 𝑁)
109 xpss1 5562 . . . . . . . . . . . . . . 15 ({𝑒} ⊆ 𝑁 → ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁))
110108, 109syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁))
111 elmapssres 8428 . . . . . . . . . . . . . 14 ((𝑐 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)) ∧ ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁)) → (𝑐 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑m ({𝑒} × 𝑁)))
112106, 110, 111syl2anc 587 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑐 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑m ({𝑒} × 𝑁)))
1131, 3, 2matbas2i 21034 . . . . . . . . . . . . . . 15 (𝑑𝐵𝑑 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
11493, 113syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
115 elmapssres 8428 . . . . . . . . . . . . . 14 ((𝑑 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)) ∧ ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁)) → (𝑑 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑m ({𝑒} × 𝑁)))
116114, 110, 115syl2anc 587 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑m ({𝑒} × 𝑁)))
11765adantr 484 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
1183, 100, 101, 103, 104, 104, 6, 112, 116, 117mamudi 21015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘f (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
1191183adant3 1129 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘f (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
12099, 119eqtrd 2859 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘f (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
12155adantr 484 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
122121oveqd 7167 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑏 𝐺))
123122reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)))
124 simpl1 1188 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ CRing)
12585, 62syl 17 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
12652, 101, 3, 124, 104, 104, 104, 108, 125, 117mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
127123, 126eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
1281273adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
129121oveqd 7167 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑐 𝐺))
130129reseq1d 5840 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑐 𝐺) ↾ ({𝑒} × 𝑁)))
13152, 101, 3, 124, 104, 104, 104, 108, 106, 117mamures 21004 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
132130, 131eqtr3d 2861 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
133121oveqd 7167 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑑 𝐺))
134133reseq1d 5840 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)))
13552, 101, 3, 124, 104, 104, 104, 108, 114, 117mamures 21004 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
136134, 135eqtr3d 2861 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
137132, 136oveq12d 7168 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘f (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
1381373adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘f (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
139120, 128, 1383eqtr4d 2869 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = (((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)((𝑑 𝐺) ↾ ({𝑒} × 𝑁))))
140 simp32 1207 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
141140oveq1d 7165 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
142122reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
143 eqid 2824 . . . . . . . . . . . . 13 (𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩) = (𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)
144 difssd 4096 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑁 ∖ {𝑒}) ⊆ 𝑁)
14552, 143, 3, 124, 104, 104, 104, 144, 125, 117mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
146142, 145eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
1471463adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
148129reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
14952, 143, 3, 124, 104, 104, 104, 144, 106, 117mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
150148, 149eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
1511503adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
152141, 147, 1513eqtr4d 2869 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
153 simp33 1208 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
154153oveq1d 7165 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
155133reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
15652, 143, 3, 124, 104, 104, 104, 144, 114, 117mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
157155, 156eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
1581573adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
159154, 147, 1583eqtr4d 2869 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
16013, 1, 2, 6, 83, 88, 92, 96, 97, 139, 152, 159mdetrlin 21214 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝐷‘(𝑏 𝐺)) = ((𝐷‘(𝑐 𝐺))(+g𝑅)(𝐷‘(𝑑 𝐺))))
16185, 31syl 17 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
1621613adant3 1129 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
163 fvoveq1 7173 . . . . . . . . . . . 12 (𝑎 = 𝑐 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝑐 𝐺)))
164 fvex 6675 . . . . . . . . . . . 12 (𝐷‘(𝑐 𝐺)) ∈ V
165163, 29, 164fvmpt 6760 . . . . . . . . . . 11 (𝑐𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐) = (𝐷‘(𝑐 𝐺)))
16689, 165syl 17 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐) = (𝐷‘(𝑐 𝐺)))
167 fvoveq1 7173 . . . . . . . . . . . 12 (𝑎 = 𝑑 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝑑 𝐺)))
168 fvex 6675 . . . . . . . . . . . 12 (𝐷‘(𝑑 𝐺)) ∈ V
169167, 29, 168fvmpt 6760 . . . . . . . . . . 11 (𝑑𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑) = (𝐷‘(𝑑 𝐺)))
17093, 169syl 17 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑) = (𝐷‘(𝑑 𝐺)))
171166, 170oveq12d 7168 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = ((𝐷‘(𝑐 𝐺))(+g𝑅)(𝐷‘(𝑑 𝐺))))
1721713adant3 1129 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = ((𝐷‘(𝑐 𝐺))(+g𝑅)(𝐷‘(𝑑 𝐺))))
173160, 162, 1723eqtr4d 2869 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)))
1741733expia 1118 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
175174anassrs 471 . . . . 5 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝐵)) ∧ (𝑑𝐵𝑒𝑁)) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
176175ralrimivva 3186 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝐵)) → ∀𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
177176ralrimivva 3186 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ∀𝑏𝐵𝑐𝐵𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘f (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
178 simp11 1200 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑅 ∈ CRing)
17918adantr 484 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝐴 ∈ Ring)
180 simprll 778 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏𝐵)
181 simpl3 1190 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺𝐵)
182179, 180, 181, 37syl3anc 1368 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏 𝐺) ∈ 𝐵)
1831823adant3 1129 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 𝐺) ∈ 𝐵)
184 simp2lr 1238 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑐 ∈ (Base‘𝑅))
185 simprrl 780 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑𝐵)
186179, 185, 181, 94syl3anc 1368 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 𝐺) ∈ 𝐵)
1871863adant3 1129 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑑 𝐺) ∈ 𝐵)
188 simp2rr 1240 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑒𝑁)
189 simp3l 1198 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))))
190189oveq1d 7165 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
19155adantr 484 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
192191oveqd 7167 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑏 𝐺))
193192reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)))
194 simpl1 1188 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ CRing)
19510adantr 484 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑁 ∈ Fin)
196 simprrr 781 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑒𝑁)
197196snssd 4727 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ⊆ 𝑁)
198180, 62syl 17 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
19965adantr 484 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
20052, 101, 3, 194, 195, 195, 195, 197, 198, 199mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
201193, 200eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
2022013adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
203191oveqd 7167 . . . . . . . . . . . . . . 15 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑑 𝐺))
204203reseq1d 5840 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)))
205185, 113syl 17 . . . . . . . . . . . . . . 15 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑 ∈ ((Base‘𝑅) ↑m (𝑁 × 𝑁)))
20652, 101, 3, 194, 195, 195, 195, 197, 205, 199mamures 21004 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
207204, 206eqtr3d 2861 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
208207oveq2d 7166 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((({𝑒} × 𝑁) × {𝑐}) ∘f · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
20912adantr 484 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ Ring)
210102a1i 11 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ∈ Fin)
211 simprlr 779 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑐 ∈ (Base‘𝑅))
212197, 109syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁))
213205, 212, 115syl2anc 587 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑m ({𝑒} × 𝑁)))
2143, 209, 101, 210, 195, 195, 7, 211, 213, 199mamuvs1 21017 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
215208, 214eqtr4d 2862 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((({𝑒} × 𝑁) × {𝑐}) ∘f · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
2162153adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((({𝑒} × 𝑁) × {𝑐}) ∘f · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
217190, 202, 2163eqtr4d 2869 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))))
218 simp3r 1199 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
219218oveq1d 7165 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
220192reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
221 difssd 4096 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑁 ∖ {𝑒}) ⊆ 𝑁)
22252, 143, 3, 194, 195, 195, 195, 221, 198, 199mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
223220, 222eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
2242233adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
225203reseq1d 5840 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
22652, 143, 3, 194, 195, 195, 195, 221, 205, 199mamures 21004 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
227225, 226eqtr3d 2861 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
2282273adant3 1129 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
229219, 224, 2283eqtr4d 2869 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
23013, 1, 2, 3, 7, 178, 183, 184, 187, 188, 217, 229mdetrsca 21215 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝐷‘(𝑏 𝐺)) = (𝑐 · (𝐷‘(𝑑 𝐺))))
231 simp2ll 1237 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑏𝐵)
232231, 31syl 17 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
233 simp2rl 1239 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑑𝐵)
234169oveq2d 7166 . . . . . . . . 9 (𝑑𝐵 → (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = (𝑐 · (𝐷‘(𝑑 𝐺))))
235233, 234syl 17 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = (𝑐 · (𝐷‘(𝑑 𝐺))))
236230, 232, 2353eqtr4d 2869 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)))
2372363expia 1118 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
238237anassrs 471 . . . . 5 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐 ∈ (Base‘𝑅))) ∧ (𝑑𝐵𝑒𝑁)) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
239238ralrimivva 3186 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐 ∈ (Base‘𝑅))) → ∀𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
240239ralrimivva 3186 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ∀𝑏𝐵𝑐 ∈ (Base‘𝑅)∀𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘f · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
241 simp2 1134 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐹𝐵)
2421, 2, 3, 4, 5, 6, 7, 10, 12, 26, 82, 177, 240, 13, 51, 241mdetuni0 21233 . 2 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝐹) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) · (𝐷𝐹)))
243 fvoveq1 7173 . . . 4 (𝑎 = 𝐹 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝐹 𝐺)))
244 fvex 6675 . . . 4 (𝐷‘(𝐹 𝐺)) ∈ V
245243, 29, 244fvmpt 6760 . . 3 (𝐹𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝐹) = (𝐷‘(𝐹 𝐺)))
2462453ad2ant2 1131 . 2 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝐹) = (𝐷‘(𝐹 𝐺)))
247 eqid 2824 . . . . . . 7 (1r𝐴) = (1r𝐴)
2482, 247ringidcl 19324 . . . . . 6 (𝐴 ∈ Ring → (1r𝐴) ∈ 𝐵)
249 fvoveq1 7173 . . . . . . 7 (𝑎 = (1r𝐴) → (𝐷‘(𝑎 𝐺)) = (𝐷‘((1r𝐴) 𝐺)))
250 fvex 6675 . . . . . . 7 (𝐷‘((1r𝐴) 𝐺)) ∈ V
251249, 29, 250fvmpt 6760 . . . . . 6 ((1r𝐴) ∈ 𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) = (𝐷‘((1r𝐴) 𝐺)))
25218, 248, 2513syl 18 . . . . 5 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) = (𝐷‘((1r𝐴) 𝐺)))
253 simp3 1135 . . . . . . 7 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐺𝐵)
2542, 22, 247ringlidm 19327 . . . . . . 7 ((𝐴 ∈ Ring ∧ 𝐺𝐵) → ((1r𝐴) 𝐺) = 𝐺)
25518, 253, 254syl2anc 587 . . . . . 6 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((1r𝐴) 𝐺) = 𝐺)
256255fveq2d 6666 . . . . 5 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷‘((1r𝐴) 𝐺)) = (𝐷𝐺))
257252, 256eqtrd 2859 . . . 4 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) = (𝐷𝐺))
258257oveq1d 7165 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) · (𝐷𝐹)) = ((𝐷𝐺) · (𝐷𝐹)))
25915, 253ffvelrnd 6844 . . . 4 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷𝐺) ∈ (Base‘𝑅))
26015, 241ffvelrnd 6844 . . . 4 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷𝐹) ∈ (Base‘𝑅))
2613, 7crngcom 19318 . . . 4 ((𝑅 ∈ CRing ∧ (𝐷𝐺) ∈ (Base‘𝑅) ∧ (𝐷𝐹) ∈ (Base‘𝑅)) → ((𝐷𝐺) · (𝐷𝐹)) = ((𝐷𝐹) · (𝐷𝐺)))
26251, 259, 260, 261syl3anc 1368 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝐷𝐺) · (𝐷𝐹)) = ((𝐷𝐹) · (𝐷𝐺)))
263258, 262eqtrd 2859 . 2 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) · (𝐷𝐹)) = ((𝐷𝐹) · (𝐷𝐺)))
264242, 246, 2633eqtr3d 2867 1 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷‘(𝐹 𝐺)) = ((𝐷𝐹) · (𝐷𝐺)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  w3a 1084   = wceq 1538  wcel 2115  wne 3014  wral 3133  Vcvv 3481  cdif 3917  wss 3920  {csn 4551  cotp 4559  cmpt 5133   × cxp 5541  cres 5545  wf 6340  cfv 6344  (class class class)co 7150  f cof 7402  m cmap 8403  Fincfn 8506  Basecbs 16486  +gcplusg 16568  .rcmulr 16569  0gc0g 16716   Σg cgsu 16717  1rcur 19254  Ringcrg 19300  CRingccrg 19301   maMul cmmul 20997   Mat cmat 21019   maDet cmdat 21196
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1971  ax-7 2016  ax-8 2117  ax-9 2125  ax-10 2146  ax-11 2162  ax-12 2179  ax-ext 2796  ax-rep 5177  ax-sep 5190  ax-nul 5197  ax-pow 5254  ax-pr 5318  ax-un 7456  ax-cnex 10592  ax-resscn 10593  ax-1cn 10594  ax-icn 10595  ax-addcl 10596  ax-addrcl 10597  ax-mulcl 10598  ax-mulrcl 10599  ax-mulcom 10600  ax-addass 10601  ax-mulass 10602  ax-distr 10603  ax-i2m1 10604  ax-1ne0 10605  ax-1rid 10606  ax-rnegex 10607  ax-rrecex 10608  ax-cnre 10609  ax-pre-lttri 10610  ax-pre-lttrn 10611  ax-pre-ltadd 10612  ax-pre-mulgt0 10613  ax-addf 10615  ax-mulf 10616
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-xor 1503  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2071  df-mo 2624  df-eu 2655  df-clab 2803  df-cleq 2817  df-clel 2896  df-nfc 2964  df-ne 3015  df-nel 3119  df-ral 3138  df-rex 3139  df-reu 3140  df-rmo 3141  df-rab 3142  df-v 3483  df-sbc 3760  df-csb 3868  df-dif 3923  df-un 3925  df-in 3927  df-ss 3937  df-pss 3939  df-nul 4278  df-if 4452  df-pw 4525  df-sn 4552  df-pr 4554  df-tp 4556  df-op 4558  df-ot 4560  df-uni 4826  df-int 4864  df-iun 4908  df-iin 4909  df-br 5054  df-opab 5116  df-mpt 5134  df-tr 5160  df-id 5448  df-eprel 5453  df-po 5462  df-so 5463  df-fr 5502  df-se 5503  df-we 5504  df-xp 5549  df-rel 5550  df-cnv 5551  df-co 5552  df-dm 5553  df-rn 5554  df-res 5555  df-ima 5556  df-pred 6136  df-ord 6182  df-on 6183  df-lim 6184  df-suc 6185  df-iota 6303  df-fun 6346  df-fn 6347  df-f 6348  df-f1 6349  df-fo 6350  df-f1o 6351  df-fv 6352  df-isom 6353  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-of 7404  df-om 7576  df-1st 7685  df-2nd 7686  df-supp 7828  df-tpos 7889  df-wrecs 7944  df-recs 8005  df-rdg 8043  df-1o 8099  df-2o 8100  df-oadd 8103  df-er 8286  df-map 8405  df-pm 8406  df-ixp 8459  df-en 8507  df-dom 8508  df-sdom 8509  df-fin 8510  df-fsupp 8832  df-sup 8904  df-oi 8972  df-card 9366  df-pnf 10676  df-mnf 10677  df-xr 10678  df-ltxr 10679  df-le 10680  df-sub 10871  df-neg 10872  df-div 11297  df-nn 11638  df-2 11700  df-3 11701  df-4 11702  df-5 11703  df-6 11704  df-7 11705  df-8 11706  df-9 11707  df-n0 11898  df-xnn0 11968  df-z 11982  df-dec 12099  df-uz 12244  df-rp 12390  df-fz 12898  df-fzo 13041  df-seq 13377  df-exp 13438  df-hash 13699  df-word 13870  df-lsw 13918  df-concat 13926  df-s1 13953  df-substr 14006  df-pfx 14036  df-splice 14115  df-reverse 14124  df-s2 14213  df-struct 16488  df-ndx 16489  df-slot 16490  df-base 16492  df-sets 16493  df-ress 16494  df-plusg 16581  df-mulr 16582  df-starv 16583  df-sca 16584  df-vsca 16585  df-ip 16586  df-tset 16587  df-ple 16588  df-ds 16590  df-unif 16591  df-hom 16592  df-cco 16593  df-0g 16718  df-gsum 16719  df-prds 16724  df-pws 16726  df-mre 16860  df-mrc 16861  df-acs 16863  df-mgm 17855  df-sgrp 17904  df-mnd 17915  df-mhm 17959  df-submnd 17960  df-efmnd 18037  df-grp 18109  df-minusg 18110  df-sbg 18111  df-mulg 18228  df-subg 18279  df-ghm 18359  df-gim 18402  df-cntz 18450  df-oppg 18477  df-symg 18499  df-pmtr 18573  df-psgn 18622  df-evpm 18623  df-cmn 18911  df-abl 18912  df-mgp 19243  df-ur 19255  df-srg 19259  df-ring 19302  df-cring 19303  df-oppr 19379  df-dvdsr 19397  df-unit 19398  df-invr 19428  df-dvr 19439  df-rnghom 19473  df-drng 19507  df-subrg 19536  df-lmod 19639  df-lss 19707  df-sra 19947  df-rgmod 19948  df-cnfld 20549  df-zring 20621  df-zrh 20654  df-dsmm 20879  df-frlm 20894  df-mamu 20998  df-mat 21020  df-mdet 21197
This theorem is referenced by:  matunit  21290  cramerimplem3  21297  matunitlindflem2  35000
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