| Mathbox for Alexander van der Vekens |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > afv2prc | Structured version Visualization version GIF version | ||
| Description: A function's value at a proper class is not defined, compare with fvprc 6870. (Contributed by AV, 5-Sep-2022.) |
| Ref | Expression |
|---|---|
| afv2prc | ⊢ (¬ 𝐴 ∈ V → (𝐹''''𝐴) ∉ ran 𝐹) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prcnel 3475 | . 2 ⊢ (¬ 𝐴 ∈ V → ¬ 𝐴 ∈ dom 𝐹) | |
| 2 | ndmafv2nrn 48110 | . 2 ⊢ (¬ 𝐴 ∈ dom 𝐹 → (𝐹''''𝐴) ∉ ran 𝐹) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (¬ 𝐴 ∈ V → (𝐹''''𝐴) ∉ ran 𝐹) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∈ wcel 2145 ∉ wnel 3061 Vcvv 3450 dom cdm 5655 ran crn 5656 ''''cafv2 48096 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 ax-sep 5251 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-nel 3062 df-rab 3413 df-v 3452 df-in 3906 df-ss 3916 df-if 4483 df-pw 4559 df-uni 4868 df-dfat 48007 df-afv2 48097 |
| This theorem is used by: (None) |
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