Metamath Proof Explorer


Definition df-psr

Description: Define the algebra of power series over the index set i and with coefficients from the ring r . (Contributed by Mario Carneiro, 21-Mar-2015)

Ref Expression
Assertion df-psr ⊢ mPwSer = i ∈ V , r ∈ V ⟼ ⦋ h ∈ ℕ 0 i | h -1 ℕ ∈ Fin / d⦌ ⦋ Base r d / b⦌ Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x ∪ Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r

Detailed syntax breakdown

Step Hyp Ref Expression
0 cmps class mPwSer
1 vi setvar i
2 cvv class V
3 vr setvar r
4 vh setvar h
5 cn0 class ℕ 0
6 cmap class ↑ 𝑚
7 1 cv setvar i
8 5 7 6 co class ℕ 0 i
9 4 cv setvar h
10 9 ccnv class h -1
11 cn class ℕ
12 10 11 cima class h -1 ℕ
13 cfn class Fin
14 12 13 wcel wff h -1 ℕ ∈ Fin
15 14 4 8 crab class h ∈ ℕ 0 i | h -1 ℕ ∈ Fin
16 vd setvar d
17 cbs class Base
18 3 cv setvar r
19 18 17 cfv class Base r
20 16 cv setvar d
21 19 20 6 co class Base r d
22 vb setvar b
23 cnx class ndx
24 23 17 cfv class Base ndx
25 22 cv setvar b
26 24 25 cop class Base ndx b
27 cplusg class + 𝑔
28 23 27 cfv class + ndx
29 18 27 cfv class + r
30 29 cof class ∘ f ⁡ + r
31 25 25 cxp class b × b
32 30 31 cres class ∘ f ⁡ + r ↾ b × b
33 28 32 cop class + ndx ∘ f ⁡ + r ↾ b × b
34 cmulr class ⋅ 𝑟
35 23 34 cfv class ⋅ ndx
36 vf setvar f
37 vg setvar g
38 vk setvar k
39 cgsu class Σ𝑔
40 vx setvar x
41 vy setvar y
42 41 cv setvar y
43 cle class ≤
44 43 cofr class ∘ r ⁡ ≤
45 38 cv setvar k
46 42 45 44 wbr wff y ≤ f k
47 46 41 20 crab class y ∈ d | y ≤ f k
48 36 cv setvar f
49 40 cv setvar x
50 49 48 cfv class f ⁡ x
51 18 34 cfv class ⋅ r
52 37 cv setvar g
53 cmin class −
54 53 cof class ∘ f ⁡ −
55 45 49 54 co class k − f x
56 55 52 cfv class g ⁡ k − f x
57 50 56 51 co class f ⁡ x ⋅ r g ⁡ k − f x
58 40 47 57 cmpt class x ∈ y ∈ d | y ≤ f k ⟼ f ⁡ x ⋅ r g ⁡ k − f x
59 18 58 39 co class ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x
60 38 20 59 cmpt class k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x
61 36 37 25 25 60 cmpo class f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x
62 35 61 cop class ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x
63 26 33 62 ctp class Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x
64 csca class Scalar
65 23 64 cfv class Scalar ⁡ ndx
66 65 18 cop class Scalar ⁡ ndx r
67 cvsca class ⋅ 𝑠
68 23 67 cfv class ⋅ ndx
69 49 csn class x
70 20 69 cxp class d × x
71 51 cof class ∘ f ⁡ ⋅ r
72 70 48 71 co class d × x ⋅ r f f
73 40 36 19 25 72 cmpo class x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f
74 68 73 cop class ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f
75 cts class TopSet
76 23 75 cfv class TopSet ⁡ ndx
77 cpt class ∏ 𝑡
78 ctopn class TopOpen
79 18 78 cfv class TopOpen ⁡ r
80 79 csn class TopOpen ⁡ r
81 20 80 cxp class d × TopOpen ⁡ r
82 81 77 cfv class ∏ 𝑡 ⁡ d × TopOpen ⁡ r
83 76 82 cop class TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r
84 66 74 83 ctp class Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r
85 63 84 cun class Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x ∪ Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r
86 22 21 85 csb class ⦋ Base r d / b⦌ Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x ∪ Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r
87 16 15 86 csb class ⦋ h ∈ ℕ 0 i | h -1 ℕ ∈ Fin / d⦌ ⦋ Base r d / b⦌ Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x ∪ Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r
88 1 3 2 2 87 cmpo class i ∈ V , r ∈ V ⟼ ⦋ h ∈ ℕ 0 i | h -1 ℕ ∈ Fin / d⦌ ⦋ Base r d / b⦌ Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x ∪ Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r
89 0 88 wceq wff mPwSer = i ∈ V , r ∈ V ⟼ ⦋ h ∈ ℕ 0 i | h -1 ℕ ∈ Fin / d⦌ ⦋ Base r d / b⦌ Base ndx b + ndx ∘ f ⁡ + r ↾ b × b ⋅ ndx f ∈ b , g ∈ b ⟼ k ∈ d ⟼ ∑ r x ∈ y ∈ d | y ≤ f k f ⁡ x ⋅ r g ⁡ k − f x ∪ Scalar ⁡ ndx r ⋅ ndx x ∈ Base r , f ∈ b ⟼ d × x ⋅ r f f TopSet ⁡ ndx ∏ 𝑡 ⁡ d × TopOpen ⁡ r