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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 5750 | . . 3 ⊢ (𝑥 ∈ V → (𝑥 ∈ 𝒫 (V × V) ↔ Rel 𝑥)) | |
2 | 1 | elv 3493 | . 2 ⊢ (𝑥 ∈ 𝒫 (V × V) ↔ Rel 𝑥) |
3 | 2 | eqabi 2880 | 1 ⊢ 𝒫 (V × V) = {𝑥 ∣ Rel 𝑥} |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 206 = wceq 1537 ∈ wcel 2108 {cab 2717 Vcvv 3488 𝒫 cpw 4622 × cxp 5698 Rel wrel 5705 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-ext 2711 |
This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1540 df-ex 1778 df-sb 2065 df-clab 2718 df-cleq 2732 df-clel 2819 df-v 3490 df-ss 3993 df-pw 4624 df-rel 5707 |
This theorem is referenced by: (None) |
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