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Theorem rnfvprc 6871
Description: The range of a function value at a proper class is empty. (Contributed by AV, 20-Aug-2022.)
Hypothesis
Ref Expression
rnfvprc.y 𝑌 = (𝐹‘𝑋)
Assertion
Ref Expression
rnfvprc (¬ 𝑋 ∈ V → ran 𝑌 = ∅)

Proof of Theorem rnfvprc
StepHypRef Expression
1 rnfvprc.y . . . 4 𝑌 = (𝐹‘𝑋)
2 fvprc 6869 . . . 4 (¬ 𝑋 ∈ V → (𝐹‘𝑋) = ∅)
31, 2eqtrid 2808 . . 3 (¬ 𝑋 ∈ V → 𝑌 = ∅)
43rneqd 5920 . 2 (¬ 𝑋 ∈ V → ran 𝑌 = ran ∅)
5 rn0 5908 . 2 ran ∅ = ∅
64, 5eqtrdi 2812 1 (¬ 𝑋 ∈ V → ran 𝑌 = ∅)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   = wceq 1570   ∈ wcel 2145  Vcvv 3451  ∅c0 4279  ran crn 5652  ‘cfv 6531
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 2733  ax-sep 5249  ax-nul 5260  ax-pr 5391
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-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-ne 2957  df-rab 3414  df-v 3453  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-cnv 5659  df-dm 5661  df-rn 5662  df-iota 6487  df-fv 6539
This theorem is used by:  pmtrfrn  19652  mrsubrn  36247  mrsub0  36250  mrsubf  36251  mrsubccat  36252  mrsubcn  36253  mrsubco  36255  mrsubvrs  36256  elmsubrn  36262  msubrn  36263  msubf  36266
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