Metamath Proof Explorer


Definition df-pws

Description: Define a structure power, which is just a structure product where all the factors are the same. (Contributed by Mario Carneiro, 11-Jan-2015)

Ref Expression
Assertion df-pws ⊢ ↑ 𝑠 = r ∈ V , i ∈ V ⟼ Scalar ⁡ r ⨉ 𝑠 i × r

Detailed syntax breakdown

Step Hyp Ref Expression
0 cpws class ↑ 𝑠
1 vr setvar r
2 cvv class V
3 vi setvar i
4 csca class Scalar
5 1 cv setvar r
6 5 4 cfv class Scalar ⁡ r
7 cprds class ⨉ 𝑠
8 3 cv setvar i
9 5 csn class r
10 8 9 cxp class i × r
11 6 10 7 co class Scalar ⁡ r ⨉ 𝑠 i × r
12 1 3 2 2 11 cmpo class r ∈ V , i ∈ V ⟼ Scalar ⁡ r ⨉ 𝑠 i × r
13 0 12 wceq wff ↑ 𝑠 = r ∈ V , i ∈ V ⟼ Scalar ⁡ r ⨉ 𝑠 i × r