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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ndmaov | Structured version Visualization version GIF version | ||
| Description: The value of an operation outside its domain, analogous to ndmafv 48413. (Contributed by Alexander van der Vekens, 26-May-2017.) |
| Ref | Expression |
|---|---|
| ndmaov | ⊢ (¬ 〈𝐴, 𝐵〉 ∈ dom 𝐹 → ((𝐴𝐹𝐵)) = V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-aov 48395 | . 2 ⊢ ((𝐴𝐹𝐵)) = (𝐹'''〈𝐴, 𝐵〉) | |
| 2 | ndmafv 48413 | . 2 ⊢ (¬ 〈𝐴, 𝐵〉 ∈ dom 𝐹 → (𝐹'''〈𝐴, 𝐵〉) = V) | |
| 3 | 1, 2 | eqtrid 2810 | 1 ⊢ (¬ 〈𝐴, 𝐵〉 ∈ dom 𝐹 → ((𝐴𝐹𝐵)) = V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 = wceq 1570 ∈ wcel 2147 Vcvv 3454 〈cop 4838 dom cdm 5655 '''cafv 48391 ((caov 48392 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pr 5395 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-int 4911 df-br 5107 df-opab 5171 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-res 5667 df-iota 6509 df-fun 6557 df-fv 6563 df-aiota 48358 df-dfat 48393 df-afv 48394 df-aov 48395 |
| This theorem is used by: ndmaovg 48457 ndmaovcl 48476 ndmaovcom 48478 ndmaovass 48479 ndmaovdistr 48480 |
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