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Related theorems GIF version |
| Description: Define the complex number 1 (base 10). |
| Ref | Expression |
|---|---|
| df-1 | ⊢ 1 = 〈1R, 0R〉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | c1 4029 | . 2 class 1 | |
| 2 | c1r 3789 | . . 3 class 1R | |
| 3 | c0r 3788 | . . 3 class 0R | |
| 4 | 2, 3 | cop 1810 | . 2 class 〈1R, 0R〉 |
| 5 | 1, 4 | wceq 1091 | 1 wff 1 = 〈1R, 0R〉 |
| Colors of variables: wff set class |
| This definition is referenced by: ax1re 4064 ax1ne0 4075 ax1id 4077 axrecex 4079 axrrecex 4081 axi2m1 4082 |