| Intuitionistic Logic Explorer | 
      
      
      < Previous  
      Next >
      
       Nearby theorems  | 
  ||
| Mirrors > Home > ILE Home > Th. List > df-pws | GIF version | ||
| 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 | 
|---|---|
| df-pws | ⊢ ↑s = (𝑟 ∈ V, 𝑖 ∈ V ↦ ((Scalar‘𝑟)Xs(𝑖 × {𝑟}))) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | cpws 12937 | . 2 class ↑s | |
| 2 | vr | . . 3 setvar 𝑟 | |
| 3 | vi | . . 3 setvar 𝑖 | |
| 4 | cvv 2763 | . . 3 class V | |
| 5 | 2 | cv 1363 | . . . . 5 class 𝑟 | 
| 6 | csca 12758 | . . . . 5 class Scalar | |
| 7 | 5, 6 | cfv 5258 | . . . 4 class (Scalar‘𝑟) | 
| 8 | 3 | cv 1363 | . . . . 5 class 𝑖 | 
| 9 | 5 | csn 3622 | . . . . 5 class {𝑟} | 
| 10 | 8, 9 | cxp 4661 | . . . 4 class (𝑖 × {𝑟}) | 
| 11 | cprds 12936 | . . . 4 class Xs | |
| 12 | 7, 10, 11 | co 5922 | . . 3 class ((Scalar‘𝑟)Xs(𝑖 × {𝑟})) | 
| 13 | 2, 3, 4, 4, 12 | cmpo 5924 | . 2 class (𝑟 ∈ V, 𝑖 ∈ V ↦ ((Scalar‘𝑟)Xs(𝑖 × {𝑟}))) | 
| 14 | 1, 13 | wceq 1364 | 1 wff ↑s = (𝑟 ∈ V, 𝑖 ∈ V ↦ ((Scalar‘𝑟)Xs(𝑖 × {𝑟}))) | 
| Colors of variables: wff set class | 
| This definition is referenced by: (None) | 
| Copyright terms: Public domain | W3C validator |