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=rV,iVScalarr𝑠i×r

Detailed syntax breakdown

Step Hyp Ref Expression
0 cpws class𝑠
1 vr setvarr
2 cvv classV
3 vi setvari
4 csca classScalar
5 1 cv setvarr
6 5 4 cfv classScalarr
7 cprds class𝑠
8 3 cv setvari
9 5 csn classr
10 8 9 cxp classi×r
11 6 10 7 co classScalarr𝑠i×r
12 1 3 2 2 11 cmpo classrV,iVScalarr𝑠i×r
13 0 12 wceq wff𝑠=rV,iVScalarr𝑠i×r