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Theorem ovssunirn 7448
Description: The result of an operation value is always a subset of the union of the range. (Contributed by Mario Carneiro, 12-Jan-2017.)
Assertion
Ref Expression
ovssunirn (𝑋𝐹𝑌) ⊆ ran 𝐹

Proof of Theorem ovssunirn
StepHypRef Expression
1 df-ov 7415 . 2 (𝑋𝐹𝑌) = (𝐹‘⟨𝑋, 𝑌⟩)
2 fvssunirn 6912 . 2 (𝐹‘⟨𝑋, 𝑌⟩) ⊆ ran 𝐹
31, 2eqsstri 3982 1 (𝑋𝐹𝑌) ⊆ ran 𝐹
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wss 3904  cop 4594   cuni 4871  ran crn 5661  cfv 6536  (class class class)co 7412
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-10 2175  ax-12 2212  ax-ext 2734  ax-sep 5256  ax-nul 5268  ax-pr 5403
This proof depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-nf 1813  df-sb 2096  df-mo 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-ne 2958  df-rab 3416  df-v 3456  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-uni 4872  df-br 5109  df-opab 5173  df-cnv 5668  df-dm 5670  df-rn 5671  df-iota 6492  df-fv 6544  df-ov 7415
This theorem is used by:  prdsvallem  17513  prdsplusg  17517  prdsmulr  17518  prdsvsca  17519  prdshom  17526  wunfunc  17964  wunnat  18022  homarw  18109  catcoppccl  18180  catcfuccl  18181  catcxpccl  18269  isanmbfm  34655
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