Description: Define the complex number 1. (Contributed by NM, 22-Feb-1996) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-1 | ⊢ 1 = 〈 1R , 0R 〉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | c1 | ⊢ 1 | |
| 1 | c1r | ⊢ 1R | |
| 2 | c0r | ⊢ 0R | |
| 3 | 1 2 | cop | ⊢ 〈 1R , 0R 〉 |
| 4 | 0 3 | wceq | ⊢ 1 = 〈 1R , 0R 〉 |