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Definition df-1 6699
Description: Define the complex number 1. (Contributed by NM, 22-Feb-1996.)
Assertion
Ref Expression
df-1 1 = ⟨1R, 0R

Detailed syntax breakdown of Definition df-1
StepHypRef Expression
1 c1 6692 . 2 class 1
2 c1r 6283 . . 3 class 1R
3 c0r 6282 . . 3 class 0R
42, 3cop 3370 . 2 class ⟨1R, 0R
51, 4wceq 1242 1 wff 1 = ⟨1R, 0R
Colors of variables: wff set class
This definition is referenced by:  pitonnlem1  6721  pitonnlem2  6723  ax1cn  6727  ax1re  6728  axi2m1  6739  ax0lt1  6740  ax1rid  6741  axprecex  6744  ax-0lt1  6769
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