Nearby theorems
|
|
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
| Mirrors > Home > MPE Home > Th. List > df-0 | Structured version Visualization version Unicode version | ||
| Description: Define the complex number 0. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| df-0 |
       |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cc0 9936 |
. 2
 | |
| 2 | c0r 9688 |
. . 3
| |
| 3 | 2, 2 | cop 4183 |
. 2
|
| 4 | 1, 3 | wceq 1483 |
1
 |
| Colors of variables: wff setvar class |
| This definition is referenced by: axi2m1 9980 ax1ne0 9981 axrnegex 9983 axrrecex 9984 axpre-mulgt0 9989 |
| Copyright terms: Public domain | W3C validator |