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 〉 |