Theorem mendassa 43767

Description: The module endomorphism algebra is an algebra. (Contributed by Mario Carneiro, 22-Sep-2015.)

Hypotheses

Ref	Expression
mendassa.a	⊢ 𝐴 = (MEndo‘𝑀)
mendassa.s	⊢ 𝑆 = (Scalar‘𝑀)

Assertion

Ref	Expression
mendassa	⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → 𝐴 ∈ AssAlg)

Proof of Theorem mendassa

Dummy variables 𝑥 𝑦 𝑧 𝑣 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		mendassa.a	. . . 4 ⊢ 𝐴 = (MEndo‘𝑀)
2	1	mendbas 43757	. . 3 ⊢ (𝑀 LMHom 𝑀) = (Base‘𝐴)
3	2	a1i 11	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → (𝑀 LMHom 𝑀) = (Base‘𝐴))
4		mendassa.s	. . . 4 ⊢ 𝑆 = (Scalar‘𝑀)
5	1, 4	mendsca 43762	. . 3 ⊢ 𝑆 = (Scalar‘𝐴)
6	5	a1i 11	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → 𝑆 = (Scalar‘𝐴))
7		eqidd 2763	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → (Base‘𝑆) = (Base‘𝑆))
8		eqidd 2763	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → ( ·𝑠 ‘𝐴) = ( ·𝑠 ‘𝐴))
9		eqidd 2763	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → (.r‘𝐴) = (.r‘𝐴))
10	1, 4	mendlmod 43766	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → 𝐴 ∈ LMod)
11	1	mendring 43765	. . 3 ⊢ (𝑀 ∈ LMod → 𝐴 ∈ Ring)
12	11	adantr 484	. 2 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → 𝐴 ∈ Ring)
13		simpr3 1210	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑧 ∈ (𝑀 LMHom 𝑀))
14		eqid 2762	. . . . . . . 8 ⊢ (Base‘𝑀) = (Base‘𝑀)
15	14, 14	lmhmf 21101	. . . . . . 7 ⊢ (𝑧 ∈ (𝑀 LMHom 𝑀) → 𝑧:(Base‘𝑀)⟶(Base‘𝑀))
16	13, 15	syl 17	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑧:(Base‘𝑀)⟶(Base‘𝑀))
17	16	ffvelcdmda 7065	. . . . 5 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → (𝑧‘𝑣) ∈ (Base‘𝑀))
18	16	feqmptd 6935	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑧 = (𝑣 ∈ (Base‘𝑀) ↦ (𝑧‘𝑣)))
19		simpr1 1208	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑥 ∈ (Base‘𝑆))
20		simpr2 1209	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑦 ∈ (𝑀 LMHom 𝑀))
21		eqid 2762	. . . . . . . 8 ⊢ ( ·𝑠 ‘𝑀) = ( ·𝑠 ‘𝑀)
22		eqid 2762	. . . . . . . 8 ⊢ (Base‘𝑆) = (Base‘𝑆)
23		eqid 2762	. . . . . . . 8 ⊢ ( ·𝑠 ‘𝐴) = ( ·𝑠 ‘𝐴)
24	1, 21, 2, 4, 22, 14, 23	mendvsca 43764	. . . . . . 7 ⊢ ((𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀)) → (𝑥( ·𝑠 ‘𝐴)𝑦) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)𝑦))
25	19, 20, 24	syl2anc 593	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)𝑦) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)𝑦))
26		fvexd 6882	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (Base‘𝑀) ∈ V)
27		simplr1 1229	. . . . . . 7 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑤 ∈ (Base‘𝑀)) → 𝑥 ∈ (Base‘𝑆))
28		fvexd 6882	. . . . . . 7 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑤 ∈ (Base‘𝑀)) → (𝑦‘𝑤) ∈ V)
29		fconstmpt 5709	. . . . . . . 8 ⊢ ((Base‘𝑀) × {𝑥}) = (𝑤 ∈ (Base‘𝑀) ↦ 𝑥)
30	29	a1i 11	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → ((Base‘𝑀) × {𝑥}) = (𝑤 ∈ (Base‘𝑀) ↦ 𝑥))
31	14, 14	lmhmf 21101	. . . . . . . . 9 ⊢ (𝑦 ∈ (𝑀 LMHom 𝑀) → 𝑦:(Base‘𝑀)⟶(Base‘𝑀))
32	20, 31	syl 17	. . . . . . . 8 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑦:(Base‘𝑀)⟶(Base‘𝑀))
33	32	feqmptd 6935	. . . . . . 7 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝑦 = (𝑤 ∈ (Base‘𝑀) ↦ (𝑦‘𝑤)))
34	26, 27, 28, 30, 33	offval2 7680	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)𝑦) = (𝑤 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑦‘𝑤))))
35	25, 34	eqtrd 2797	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)𝑦) = (𝑤 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑦‘𝑤))))
36		fveq2 6867	. . . . . 6 ⊢ (𝑤 = (𝑧‘𝑣) → (𝑦‘𝑤) = (𝑦‘(𝑧‘𝑣)))
37	36	oveq2d 7412	. . . . 5 ⊢ (𝑤 = (𝑧‘𝑣) → (𝑥( ·𝑠 ‘𝑀)(𝑦‘𝑤)) = (𝑥( ·𝑠 ‘𝑀)(𝑦‘(𝑧‘𝑣))))
38	17, 18, 35, 37	fmptco 7111	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → ((𝑥( ·𝑠 ‘𝐴)𝑦) ∘ 𝑧) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑦‘(𝑧‘𝑣)))))
39		simplr1 1229	. . . . 5 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → 𝑥 ∈ (Base‘𝑆))
40		fvexd 6882	. . . . 5 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → (𝑦‘(𝑧‘𝑣)) ∈ V)
41		fconstmpt 5709	. . . . . 6 ⊢ ((Base‘𝑀) × {𝑥}) = (𝑣 ∈ (Base‘𝑀) ↦ 𝑥)
42	41	a1i 11	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → ((Base‘𝑀) × {𝑥}) = (𝑣 ∈ (Base‘𝑀) ↦ 𝑥))
43		eqid 2762	. . . . . . . 8 ⊢ (.r‘𝐴) = (.r‘𝐴)
44	1, 2, 43	mendmulr 43761	. . . . . . 7 ⊢ ((𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀)) → (𝑦(.r‘𝐴)𝑧) = (𝑦 ∘ 𝑧))
45	20, 13, 44	syl2anc 593	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦(.r‘𝐴)𝑧) = (𝑦 ∘ 𝑧))
46		fcompt 7115	. . . . . . 7 ⊢ ((𝑦:(Base‘𝑀)⟶(Base‘𝑀) ∧ 𝑧:(Base‘𝑀)⟶(Base‘𝑀)) → (𝑦 ∘ 𝑧) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑦‘(𝑧‘𝑣))))
47	32, 16, 46	syl2anc 593	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦 ∘ 𝑧) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑦‘(𝑧‘𝑣))))
48	45, 47	eqtrd 2797	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦(.r‘𝐴)𝑧) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑦‘(𝑧‘𝑣))))
49	26, 39, 40, 42, 48	offval2 7680	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)(𝑦(.r‘𝐴)𝑧)) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑦‘(𝑧‘𝑣)))))
50	38, 49	eqtr4d 2800	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → ((𝑥( ·𝑠 ‘𝐴)𝑦) ∘ 𝑧) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)(𝑦(.r‘𝐴)𝑧)))
51	10	adantr 484	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝐴 ∈ LMod)
52	2, 5, 23, 22	lmodvscl 20945	. . . . 5 ⊢ ((𝐴 ∈ LMod ∧ 𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀)) → (𝑥( ·𝑠 ‘𝐴)𝑦) ∈ (𝑀 LMHom 𝑀))
53	51, 19, 20, 52	syl3anc 1390	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)𝑦) ∈ (𝑀 LMHom 𝑀))
54	1, 2, 43	mendmulr 43761	. . . 4 ⊢ (((𝑥( ·𝑠 ‘𝐴)𝑦) ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀)) → ((𝑥( ·𝑠 ‘𝐴)𝑦)(.r‘𝐴)𝑧) = ((𝑥( ·𝑠 ‘𝐴)𝑦) ∘ 𝑧))
55	53, 13, 54	syl2anc 593	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → ((𝑥( ·𝑠 ‘𝐴)𝑦)(.r‘𝐴)𝑧) = ((𝑥( ·𝑠 ‘𝐴)𝑦) ∘ 𝑧))
56	12	adantr 484	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → 𝐴 ∈ Ring)
57	2, 43	ringcl 20300	. . . . 5 ⊢ ((𝐴 ∈ Ring ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀)) → (𝑦(.r‘𝐴)𝑧) ∈ (𝑀 LMHom 𝑀))
58	56, 20, 13, 57	syl3anc 1390	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦(.r‘𝐴)𝑧) ∈ (𝑀 LMHom 𝑀))
59	1, 21, 2, 4, 22, 14, 23	mendvsca 43764	. . . 4 ⊢ ((𝑥 ∈ (Base‘𝑆) ∧ (𝑦(.r‘𝐴)𝑧) ∈ (𝑀 LMHom 𝑀)) → (𝑥( ·𝑠 ‘𝐴)(𝑦(.r‘𝐴)𝑧)) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)(𝑦(.r‘𝐴)𝑧)))
60	19, 58, 59	syl2anc 593	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)(𝑦(.r‘𝐴)𝑧)) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)(𝑦(.r‘𝐴)𝑧)))
61	50, 55, 60	3eqtr4d 2807	. 2 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → ((𝑥( ·𝑠 ‘𝐴)𝑦)(.r‘𝐴)𝑧) = (𝑥( ·𝑠 ‘𝐴)(𝑦(.r‘𝐴)𝑧)))
62		simplr2 1230	. . . . . 6 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → 𝑦 ∈ (𝑀 LMHom 𝑀))
63	4, 22, 14, 21, 21	lmhmlin 21102	. . . . . 6 ⊢ ((𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑥 ∈ (Base‘𝑆) ∧ (𝑧‘𝑣) ∈ (Base‘𝑀)) → (𝑦‘(𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣))) = (𝑥( ·𝑠 ‘𝑀)(𝑦‘(𝑧‘𝑣))))
64	62, 39, 17, 63	syl3anc 1390	. . . . 5 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → (𝑦‘(𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣))) = (𝑥( ·𝑠 ‘𝑀)(𝑦‘(𝑧‘𝑣))))
65	64	mpteq2dva 5193	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑣 ∈ (Base‘𝑀) ↦ (𝑦‘(𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣)))) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑦‘(𝑧‘𝑣)))))
66		simplll 784	. . . . . 6 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → 𝑀 ∈ LMod)
67	14, 4, 21, 22	lmodvscl 20945	. . . . . 6 ⊢ ((𝑀 ∈ LMod ∧ 𝑥 ∈ (Base‘𝑆) ∧ (𝑧‘𝑣) ∈ (Base‘𝑀)) → (𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣)) ∈ (Base‘𝑀))
68	66, 39, 17, 67	syl3anc 1390	. . . . 5 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → (𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣)) ∈ (Base‘𝑀))
69	1, 21, 2, 4, 22, 14, 23	mendvsca 43764	. . . . . . 7 ⊢ ((𝑥 ∈ (Base‘𝑆) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀)) → (𝑥( ·𝑠 ‘𝐴)𝑧) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)𝑧))
70	19, 13, 69	syl2anc 593	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)𝑧) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)𝑧))
71		fvexd 6882	. . . . . . 7 ⊢ ((((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) ∧ 𝑣 ∈ (Base‘𝑀)) → (𝑧‘𝑣) ∈ V)
72	26, 39, 71, 42, 18	offval2 7680	. . . . . 6 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)𝑧) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣))))
73	70, 72	eqtrd 2797	. . . . 5 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)𝑧) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣))))
74		fveq2 6867	. . . . 5 ⊢ (𝑤 = (𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣)) → (𝑦‘𝑤) = (𝑦‘(𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣))))
75	68, 73, 33, 74	fmptco 7111	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦 ∘ (𝑥( ·𝑠 ‘𝐴)𝑧)) = (𝑣 ∈ (Base‘𝑀) ↦ (𝑦‘(𝑥( ·𝑠 ‘𝑀)(𝑧‘𝑣)))))
76	65, 75, 49	3eqtr4d 2807	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦 ∘ (𝑥( ·𝑠 ‘𝐴)𝑧)) = (((Base‘𝑀) × {𝑥}) ∘f ( ·𝑠 ‘𝑀)(𝑦(.r‘𝐴)𝑧)))
77	2, 5, 23, 22	lmodvscl 20945	. . . . 5 ⊢ ((𝐴 ∈ LMod ∧ 𝑥 ∈ (Base‘𝑆) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀)) → (𝑥( ·𝑠 ‘𝐴)𝑧) ∈ (𝑀 LMHom 𝑀))
78	51, 19, 13, 77	syl3anc 1390	. . . 4 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑥( ·𝑠 ‘𝐴)𝑧) ∈ (𝑀 LMHom 𝑀))
79	1, 2, 43	mendmulr 43761	. . . 4 ⊢ ((𝑦 ∈ (𝑀 LMHom 𝑀) ∧ (𝑥( ·𝑠 ‘𝐴)𝑧) ∈ (𝑀 LMHom 𝑀)) → (𝑦(.r‘𝐴)(𝑥( ·𝑠 ‘𝐴)𝑧)) = (𝑦 ∘ (𝑥( ·𝑠 ‘𝐴)𝑧)))
80	20, 78, 79	syl2anc 593	. . 3 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦(.r‘𝐴)(𝑥( ·𝑠 ‘𝐴)𝑧)) = (𝑦 ∘ (𝑥( ·𝑠 ‘𝐴)𝑧)))
81	76, 80, 60	3eqtr4d 2807	. 2 ⊢ (((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) ∧ (𝑥 ∈ (Base‘𝑆) ∧ 𝑦 ∈ (𝑀 LMHom 𝑀) ∧ 𝑧 ∈ (𝑀 LMHom 𝑀))) → (𝑦(.r‘𝐴)(𝑥( ·𝑠 ‘𝐴)𝑧)) = (𝑥( ·𝑠 ‘𝐴)(𝑦(.r‘𝐴)𝑧)))
82	3, 6, 7, 8, 9, 10, 12, 61, 81	isassad 21917	1 ⊢ ((𝑀 ∈ LMod ∧ 𝑆 ∈ CRing) → 𝐴 ∈ AssAlg)

Syntax hints:   → wi 4   ∧ wa 399   ∧ w3a 1098   = wceq 1560   ∈ wcel 2142  Vcvv 3454  {csn 4582   ↦ cmpt 5181   × cxp 5645   ∘ ccom 5651  ⟶wf 6517  ‘cfv 6521  (class class class)co 7396   ∘_f cof 7658  Basecbs 17245  ._rcmulr 17287  Scalarcsca 17289   ·_𝑠 cvsca 17290  Ringcrg 20283  CRingccrg 20284  LModclmod 20927   LMHom clmhm 21086  AssAlgcasa 21902  MEndocmend 43748

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1815  ax-4 1829  ax-5 1930  ax-6 1987  ax-7 2028  ax-8 2144  ax-9 2152  ax-10 2175  ax-11 2191  ax-12 2212  ax-ext 2734  ax-rep 5227  ax-sep 5246  ax-nul 5256  ax-pow 5322  ax-pr 5390  ax-un 7718  ax-cnex 11129  ax-resscn 11130  ax-1cn 11131  ax-icn 11132  ax-addcl 11133  ax-addrcl 11134  ax-mulcl 11135  ax-mulrcl 11136  ax-mulcom 11137  ax-addass 11138  ax-mulass 11139  ax-distr 11140  ax-i2m1 11141  ax-1ne0 11142  ax-1rid 11143  ax-rnegex 11144  ax-rrecex 11145  ax-cnre 11146  ax-pre-lttri 11147  ax-pre-lttrn 11148  ax-pre-ltadd 11149  ax-pre-mulgt0 11150

This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3or 1099  df-3an 1100  df-tru 1563  df-fal 1573  df-ex 1800  df-nf 1804  df-sb 2091  df-mo 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ne 2958  df-nel 3062  df-ral 3077  df-rex 3087  df-rmo 3367  df-reu 3368  df-rab 3415  df-v 3456  df-sbc 3745  df-csb 3853  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-pss 3924  df-nul 4286  df-if 4481  df-pw 4557  df-sn 4583  df-pr 4585  df-tp 4587  df-op 4589  df-uni 4866  df-iun 4951  df-br 5101  df-opab 5163  df-mpt 5182  df-tr 5208  df-id 5542  df-eprel 5547  df-po 5555  df-so 5556  df-fr 5600  df-we 5602  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-rn 5658  df-res 5659  df-ima 5660  df-pred 6288  df-ord 6349  df-on 6350  df-lim 6351  df-suc 6352  df-iota 6477  df-fun 6523  df-fn 6524  df-f 6525  df-f1 6526  df-fo 6527  df-f1o 6528  df-fv 6529  df-riota 7353  df-ov 7399  df-oprab 7400  df-mpo 7401  df-of 7660  df-om 7847  df-1st 7970  df-2nd 7971  df-frecs 8262  df-wrecs 8293  df-recs 8342  df-rdg 8381  df-1o 8437  df-er 8678  df-map 8810  df-en 8928  df-dom 8929  df-sdom 8930  df-fin 8931  df-pnf 11218  df-mnf 11219  df-xr 11220  df-ltxr 11221  df-le 11222  df-sub 11416  df-neg 11417  df-nn 12211  df-2 12280  df-3 12281  df-4 12282  df-5 12283  df-6 12284  df-n0 12482  df-z 12569  df-uz 12840  df-fz 13513  df-struct 17183  df-sets 17200  df-slot 17218  df-ndx 17230  df-base 17246  df-plusg 17299  df-mulr 17300  df-sca 17302  df-vsca 17303  df-0g 17470  df-mgm 18674  df-sgrp 18753  df-mnd 18769  df-mhm 18817  df-grp 18978  df-minusg 18979  df-ghm 19254  df-cmn 19822  df-abl 19823  df-mgp 20187  df-rng 20199  df-ur 20232  df-ring 20285  df-cring 20286  df-lmod 20929  df-lmhm 21089  df-assa 21905  df-mend 43749

This theorem is referenced by: (None)