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Theorem bj-pinftynrr 37217
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 37215 . 2 +∞ = (+∞ei‘0)
2 bj-inftyexpidisj 37205 . 2 ¬ (+∞ei‘0) ∈ ℂ
31, 2eqneltri 2848 1 ¬ +∞ ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wcel 2109  cfv 6514  cc 11073  0cc0 11075  +∞eicinftyexpi 37201  +∞cpinfty 37214
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 2702  ax-sep 5254  ax-nul 5264  ax-pr 5390  ax-un 7714  ax-reg 9552  ax-cnex 11131
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 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-ral 3046  df-rex 3055  df-rab 3409  df-v 3452  df-dif 3920  df-un 3922  df-in 3924  df-ss 3934  df-nul 4300  df-if 4492  df-sn 4593  df-pr 4595  df-tp 4597  df-op 4599  df-uni 4875  df-br 5111  df-opab 5173  df-mpt 5192  df-id 5536  df-xp 5647  df-rel 5648  df-cnv 5649  df-co 5650  df-dm 5651  df-iota 6467  df-fun 6516  df-fn 6517  df-fv 6522  df-c 11081  df-bj-inftyexpi 37202  df-bj-pinfty 37215
This theorem is referenced by: (None)
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