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| 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 5709 | . . 3 ⊢ (𝑥 ∈ V → (𝑥 ∈ 𝒫 (V × V) ↔ Rel 𝑥)) | |
| 2 | 1 | elv 3469 | . 2 ⊢ (𝑥 ∈ 𝒫 (V × V) ↔ Rel 𝑥) |
| 3 | 2 | eqabi 2871 | 1 ⊢ 𝒫 (V × V) = {𝑥 ∣ Rel 𝑥} |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1540 ∈ wcel 2109 {cab 2714 Vcvv 3464 𝒫 cpw 4580 × cxp 5657 Rel wrel 5664 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1543 df-ex 1780 df-sb 2066 df-clab 2715 df-cleq 2728 df-clel 2810 df-v 3466 df-ss 3948 df-pw 4582 df-rel 5666 |
| This theorem is referenced by: (None) |
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