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| Description: Define the complex number 0 (base 10). |
| Ref | Expression |
|---|---|
| df-0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cc0 6829 |
. 2
| |
| 2 | c0r 6589 |
. . 3
| |
| 3 | 2, 2 | cop 3272 |
. 2
|
| 4 | 1, 3 | wceq 1615 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: axi2m1 6874 ax1ne0 6875 axrnegex 6877 axrrecex 6878 axpre-mulgt0 6883 |