Description: _i is a complex number. Axiom 3 of 22 for real and complex numbers, justified by Theorem axicn . (Contributed by NM, 1-Mar-1995)
Ref | Expression | ||
---|---|---|---|
Assertion | ax-icn | |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | ci | |
|
1 | cc | |
|
2 | 0 1 | wcel | |