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Theorem pnfex 8847
Description: Plus infinity exists (common case). (Contributed by David A. Wheeler, 8-Dec-2018.)
Assertion
Ref Expression
pnfex +∞ ∈ V

Proof of Theorem pnfex
StepHypRef Expression
1 pnfxr 8846 . 2 +∞ ∈ ℝ*
21elexi 2611 1 +∞ ∈ V
Colors of variables: wff set class
Syntax hints:  wcel 1433  Vcvv 2601  +∞cpnf 7150  *cxr 7152
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-13 1444  ax-14 1445  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063  ax-sep 3896  ax-pow 3948  ax-un 4188  ax-cnex 7067
This theorem depends on definitions:  df-bi 115  df-tru 1287  df-nf 1390  df-sb 1686  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-rex 2354  df-v 2603  df-un 2977  df-in 2979  df-ss 2986  df-pw 3384  df-sn 3404  df-pr 3405  df-uni 3602  df-pnf 7155  df-xr 7157
This theorem is referenced by:  mnfxr  8848  elxr  8850
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