Description: Define the algebra of univariate power series. (Contributed by Mario Carneiro, 29-Dec-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | df-psr1 | ⊢ PwSer1 = ( 𝑟 ∈ V ↦ ( ( 1o ordPwSer 𝑟 ) ‘ ∅ ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | cps1 | ⊢ PwSer1 | |
1 | vr | ⊢ 𝑟 | |
2 | cvv | ⊢ V | |
3 | c1o | ⊢ 1o | |
4 | copws | ⊢ ordPwSer | |
5 | 1 | cv | ⊢ 𝑟 |
6 | 3 5 4 | co | ⊢ ( 1o ordPwSer 𝑟 ) |
7 | c0 | ⊢ ∅ | |
8 | 7 6 | cfv | ⊢ ( ( 1o ordPwSer 𝑟 ) ‘ ∅ ) |
9 | 1 2 8 | cmpt | ⊢ ( 𝑟 ∈ V ↦ ( ( 1o ordPwSer 𝑟 ) ‘ ∅ ) ) |
10 | 0 9 | wceq | ⊢ PwSer1 = ( 𝑟 ∈ V ↦ ( ( 1o ordPwSer 𝑟 ) ‘ ∅ ) ) |