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Mirrors > Home > ILE Home > Th. List > df-c | Unicode version |
Description: Define the set of complex numbers. (Contributed by NM, 22-Feb-1996.) |
Ref | Expression |
---|---|
df-c |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cc 6887 |
. 2
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2 | cnr 6395 |
. . 3
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3 | 2, 2 | cxp 4343 |
. 2
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4 | 1, 3 | wceq 1243 |
1
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Colors of variables: wff set class |
This definition is referenced by: opelcn 6903 0ncn 6908 addcnsr 6910 mulcnsr 6911 dfcnqs 6917 addvalex 6920 axcnex 6935 axresscn 6936 axaddcl 6940 axmulcl 6942 axaddcom 6944 ax0id 6952 axcnre 6955 |
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