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Definition df-1 6954
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 6947 . 2  class  1
2 c1r 6454 . . 3  class  1R
3 c0r 6453 . . 3  class  0R
42, 3cop 3405 . 2  class  <. 1R ,  0R >.
51, 4wceq 1259 1  wff  1  =  <. 1R ,  0R >.
Colors of variables: wff set class
This definition is referenced by:  pitonnlem1  6978  pitonnlem2  6980  peano1nnnn  6985  peano2nnnn  6986  recidpirq  6991  ax1cn  6994  ax1re  6995  axi2m1  7006  ax0lt1  7007  ax1rid  7008  axprecex  7011  nntopi  7025  ax-0lt1  7047
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