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Mirrors > Home > MPE Home > Th. List > relprcnfsupp | Structured version Visualization version GIF version |
Description: A proper class is never finitely supported. (Contributed by AV, 7-Jun-2019.) |
Ref | Expression |
---|---|
relprcnfsupp | ⊢ (¬ 𝐴 ∈ V → ¬ 𝐴 finSupp 𝑍) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relfsupp 9130 | . . 3 ⊢ Rel finSupp | |
2 | 1 | brrelex1i 5643 | . 2 ⊢ (𝐴 finSupp 𝑍 → 𝐴 ∈ V) |
3 | 2 | con3i 154 | 1 ⊢ (¬ 𝐴 ∈ V → ¬ 𝐴 finSupp 𝑍) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∈ wcel 2106 Vcvv 3432 class class class wbr 5074 finSupp cfsupp 9128 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-sb 2068 df-clab 2716 df-cleq 2730 df-clel 2816 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-br 5075 df-opab 5137 df-xp 5595 df-rel 5596 df-fsupp 9129 |
This theorem is referenced by: fsuppres 9153 |
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