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Theorem bj-pinftynrr 37181
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 37179 . 2 +∞ = (+∞ei‘0)
2 bj-inftyexpidisj 37169 . 2 ¬ (+∞ei‘0) ∈ ℂ
31, 2eqneltri 2863 1 ¬ +∞ ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wcel 2108  cfv 6568  cc 11176  0cc0 11178  +∞eicinftyexpi 37165  +∞cpinfty 37178
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1793  ax-4 1807  ax-5 1909  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2158  ax-12 2178  ax-ext 2711  ax-sep 5317  ax-nul 5324  ax-pr 5447  ax-un 7764  ax-reg 9655  ax-cnex 11234
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 847  df-3or 1088  df-3an 1089  df-tru 1540  df-fal 1550  df-ex 1778  df-nf 1782  df-sb 2065  df-mo 2543  df-eu 2572  df-clab 2718  df-cleq 2732  df-clel 2819  df-nfc 2895  df-ne 2947  df-ral 3068  df-rex 3077  df-rab 3444  df-v 3490  df-dif 3979  df-un 3981  df-in 3983  df-ss 3993  df-nul 4353  df-if 4549  df-sn 4649  df-pr 4651  df-tp 4653  df-op 4655  df-uni 4932  df-br 5167  df-opab 5229  df-mpt 5250  df-id 5593  df-xp 5701  df-rel 5702  df-cnv 5703  df-co 5704  df-dm 5705  df-iota 6520  df-fun 6570  df-fn 6571  df-fv 6576  df-c 11184  df-bj-inftyexpi 37166  df-bj-pinfty 37179
This theorem is referenced by: (None)
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