Description: Define the complex number 0. (Contributed by NM, 22-Feb-1996) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | df-0 | ⊢ 0 = 〈 0R , 0R 〉 |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | cc0 | ⊢ 0 | |
1 | c0r | ⊢ 0R | |
2 | 1 1 | cop | ⊢ 〈 0R , 0R 〉 |
3 | 0 2 | wceq | ⊢ 0 = 〈 0R , 0R 〉 |