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| Description: Define the set of complex numbers. The 25 axioms for complex numbers start at axcnex 5267. |
| Ref | Expression |
|---|---|
| df-c |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cc 5232 |
. 2
| |
| 2 | cnr 4993 |
. . 3
| |
| 3 | 2, 2 | cxp 3168 |
. 2
|
| 4 | 1, 3 | wceq 956 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: opelcn 5248 0ncn 5251 addcnsr 5253 mulcnsr 5254 dfcnqs 5262 axaddopr 5265 axmulopr 5266 axcnex 5267 axresscn 5268 ax0id 5281 ax1id 5282 axcnre 5286 |