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Theorem bj-pinftynrr 37195
Description: The extended complex number +∞ is not a complex number. (Contributed by BJ, 27-Jun-2019.)
Assertion
Ref Expression
bj-pinftynrr ¬ +∞ ∈ ℂ

Proof of Theorem bj-pinftynrr
StepHypRef Expression
1 df-bj-pinfty 37193 . 2 +∞ = (+∞ei‘0)
2 bj-inftyexpidisj 37183 . 2 ¬ (+∞ei‘0) ∈ ℂ
31, 2eqneltri 2847 1 ¬ +∞ ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wcel 2109  cfv 6486  cc 11026  0cc0 11028  +∞eicinftyexpi 37179  +∞cpinfty 37192
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5238  ax-nul 5248  ax-pr 5374  ax-un 7675  ax-reg 9503  ax-cnex 11084
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3397  df-v 3440  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4479  df-sn 4580  df-pr 4582  df-tp 4584  df-op 4586  df-uni 4862  df-br 5096  df-opab 5158  df-mpt 5177  df-id 5518  df-xp 5629  df-rel 5630  df-cnv 5631  df-co 5632  df-dm 5633  df-iota 6442  df-fun 6488  df-fn 6489  df-fv 6494  df-c 11034  df-bj-inftyexpi 37180  df-bj-pinfty 37193
This theorem is referenced by: (None)
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