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Definition df-1 6895
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 6888 . 2 class 1
2 c1r 6395 . . 3 class 1R
3 c0r 6394 . . 3 class 0R
42, 3cop 3378 . 2 class ⟨1R, 0R
51, 4wceq 1243 1 wff 1 = ⟨1R, 0R
Colors of variables: wff set class
This definition is referenced by:  pitonnlem1  6919  pitonnlem2  6921  peano1nnnn  6926  peano2nnnn  6927  recidpirq  6932  ax1cn  6935  ax1re  6936  axi2m1  6947  ax0lt1  6948  ax1rid  6949  axprecex  6952  nntopi  6966  ax-0lt1  6988
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