HomeHome Metamath Proof Explorer < Previous   Next >
Related theorems
Unicode version

Definition df-1 8172
Description: Define the complex number 1. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-1  |-  1  =  <. 1R ,  0R >.

Detailed syntax breakdown of Definition df-1
StepHypRef Expression
1 c1 8165 . 2  class  1
2 c1r 7918 . . 3  class  1R
3 c0r 7917 . . 3  class  0R
42, 3cop 3259 . 2  class  <. 1R ,  0R >.
51, 4wceq 1520 1  wff  1  =  <. 1R ,  0R >.
Colors of variables: wff set class
This definition is referenced by:  ax1cn  8198  axi2m1  8208  ax1ne0  8209  ax1rid  8210  axrrecex  8212
Copyright terms: Public domain