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Theorem ndmaov 48175
Description: The value of an operation outside its domain, analogous to ndmafv 48132. (Contributed by Alexander van der Vekens, 26-May-2017.)
Assertion
Ref Expression
ndmaov (¬ ⟨𝐴, 𝐵⟩ ∈ dom 𝐹 → ((𝐴𝐹𝐵)) = V)

Proof of Theorem ndmaov
StepHypRef Expression
1 df-aov 48113 . 2 ((𝐴𝐹𝐵)) = (𝐹'''⟨𝐴, 𝐵⟩)
2 ndmafv 48132 . 2 (¬ ⟨𝐴, 𝐵⟩ ∈ dom 𝐹 → (𝐹'''⟨𝐴, 𝐵⟩) = V)
31, 2eqtrid 2807 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 2145  Vcvv 3450  cop 4589  dom cdm 5647  '''cafv 48109   ((caov 48110
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-10 2178  ax-11 2194  ax-12 2213  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pr 5390
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 2100  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-dif 3901  df-un 3903  df-in 3905  df-ss 3915  df-nul 4279  df-if 4482  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-int 4907  df-br 5103  df-opab 5167  df-id 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-res 5659  df-iota 6483  df-fun 6529  df-fv 6535  df-aiota 48077  df-dfat 48111  df-afv 48112  df-aov 48113
This theorem is used by:  ndmaovg  48176  ndmaovcl  48195  ndmaovcom  48197  ndmaovass  48198  ndmaovdistr  48199
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