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Definition df-1 7508
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 7501 . 2 class 1
2 c1r 7008 . . 3 class 1R
3 c0r 7007 . . 3 class 0R
42, 3cop 3477 . 2 class ⟨1R, 0R
51, 4wceq 1299 1 wff 1 = ⟨1R, 0R
Colors of variables: wff set class
This definition is referenced by:  pitonnlem1  7532  pitonnlem2  7534  peano1nnnn  7539  peano2nnnn  7540  recidpirq  7545  ax1cn  7548  ax1re  7549  axi2m1  7560  ax0lt1  7561  ax1rid  7562  axprecex  7565  nntopi  7579
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