| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > pwvabrel | Structured version Visualization version GIF version | ||
| Description: The powerclass of the cartesian square of the universal class is the class of all sets which are binary relations. (Contributed by BJ, 21-Dec-2023.) |
| Ref | Expression |
|---|---|
| pwvabrel | ⊢ 𝒫 (V × V) = {𝑥 ∣ Rel 𝑥} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pwvrel 5734 | . . 3 ⊢ (𝑥 ∈ V → (𝑥 ∈ 𝒫 (V × V) ↔ Rel 𝑥)) | |
| 2 | 1 | elv 3484 | . 2 ⊢ (𝑥 ∈ 𝒫 (V × V) ↔ Rel 𝑥) |
| 3 | 2 | eqabi 2876 | 1 ⊢ 𝒫 (V × V) = {𝑥 ∣ Rel 𝑥} |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1539 ∈ wcel 2107 {cab 2713 Vcvv 3479 𝒫 cpw 4599 × cxp 5682 Rel wrel 5689 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-ext 2707 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1542 df-ex 1779 df-sb 2064 df-clab 2714 df-cleq 2728 df-clel 2815 df-v 3481 df-ss 3967 df-pw 4601 df-rel 5691 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |