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