Theorem relprcnfsupp 9272

Description: A proper class is never finitely supported. (Contributed by AV, 7-Jun-2019.)

Assertion

Ref	Expression
relprcnfsupp	⊢ (¬ 𝐴 ∈ V → ¬ 𝐴 finSupp 𝑍)

Proof of Theorem relprcnfsupp

Step	Hyp	Ref	Expression
1		relfsupp 9271	. . 3 ⊢ Rel finSupp
2	1	brrelex1i 5682	. 2 ⊢ (𝐴 finSupp 𝑍 → 𝐴 ∈ V)
3	2	con3i 154	1 ⊢ (¬ 𝐴 ∈ V → ¬ 𝐴 finSupp 𝑍)

Syntax hints:  ¬ wn 3   → wi 4   ∈ wcel 2114  Vcvv 3430   class class class wbr 5086   finSupp cfsupp 9269

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5232  ax-pr 5372

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-sn 4569  df-pr 4571  df-op 4575  df-br 5087  df-opab 5149  df-xp 5632  df-rel 5633  df-fsupp 9270

This theorem is referenced by:  fsuppres  9301