Theorem rnfvprc 6877

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

Step	Hyp	Ref	Expression
1		rnfvprc.y	. . . 4 ⊢ 𝑌 = (𝐹‘𝑋)
2		fvprc 6875	. . . 4 ⊢ (¬ 𝑋 ∈ V → (𝐹‘𝑋) = ∅)
3	1, 2	eqtrid 2810	. . 3 ⊢ (¬ 𝑋 ∈ V → 𝑌 = ∅)
4	3	rneqd 5930	. 2 ⊢ (¬ 𝑋 ∈ V → ran 𝑌 = ran ∅)
5		rn0 5918	. 2 ⊢ ran ∅ = ∅
6	4, 5	eqtrdi 2814	1 ⊢ (¬ 𝑋 ∈ V → ran 𝑌 = ∅)

Syntax hints:  ¬ wn 3   → wi 4   = wceq 1570   ∈ wcel 2143  Vcvv 3455  ∅c0 4287  ran crn 5664  ‘cfv 6538

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-ext 2735  ax-sep 5258  ax-nul 5270  ax-pr 5406

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-ne 2959  df-rab 3417  df-v 3457  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-if 4489  df-sn 4591  df-pr 4593  df-op 4597  df-uni 4874  df-br 5111  df-opab 5175  df-cnv 5671  df-dm 5673  df-rn 5674  df-iota 6494  df-fv 6546

This theorem is referenced by:  pmtrfrn  19529  mrsubrn  35983  mrsub0  35986  mrsubf  35987  mrsubccat  35988  mrsubcn  35989  mrsubco  35991  mrsubvrs  35992  elmsubrn  35998  msubrn  35999  msubf  36002