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Theorem 0cnALT3 42508
Description: Alternate proof of 0cn 11124 using ax-resscn 11083, ax-addrcl 11087, ax-rnegex 11097, ax-cnre 11099 instead of ax-icn 11085, ax-addcl 11086, ax-mulcl 11088, ax-i2m1 11094. Version of 0cnALT 11368 using ax-1cn 11084 instead of ax-icn 11085. (Contributed by Steven Nguyen, 7-Jan-2022.) (Proof modification is discouraged.) (New usage is discouraged.)
Assertion
Ref Expression
0cnALT3 0 ∈ ℂ

Proof of Theorem 0cnALT3
StepHypRef Expression
1 0re 11134 . 2 0 ∈ ℝ
21recni 11146 1 0 ∈ ℂ
Colors of variables: wff setvar class
Syntax hints:  wcel 2113  cc 11024  0cc0 11026
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2708  ax-resscn 11083  ax-1cn 11084  ax-addrcl 11087  ax-rnegex 11097  ax-cnre 11099
This theorem depends on definitions:  df-bi 207  df-an 396  df-ex 1781  df-cleq 2728  df-clel 2811  df-rex 3061  df-ss 3918
This theorem is referenced by: (None)
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