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| Mirrors > Home > MPE Home > Th. List > nvel | Structured version Visualization version GIF version | ||
| Description: The universal class does not belong to any class. (Contributed by FL, 31-Dec-2006.) |
| Ref | Expression |
|---|---|
| nvel | ⊢ ¬ V ∈ 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vprc 5285 | . 2 ⊢ ¬ V ∈ V | |
| 2 | elex 3480 | . 2 ⊢ (V ∈ 𝐴 → V ∈ V) | |
| 3 | 1, 2 | mto 197 | 1 ⊢ ¬ V ∈ 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 ∈ wcel 2108 Vcvv 3459 |
| 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 2007 ax-8 2110 ax-9 2118 ax-ext 2707 ax-sep 5266 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1543 df-ex 1780 df-sb 2065 df-clab 2714 df-cleq 2727 df-clel 2809 df-v 3461 |
| This theorem is referenced by: curryset 36964 currysetlem3 36967 eliuniincex 45133 eliincex 45134 nvelim 47152 |
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