MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  df-1 Unicode version

Definition df-1 8625
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 8618 . 2  class  1
2 c1r 8371 . . 3  class  1R
3 c0r 8370 . . 3  class  0R
42, 3cop 3547 . 2  class  <. 1R ,  0R >.
51, 4wceq 1619 1  wff  1  =  <. 1R ,  0R >.
Colors of variables: wff set class
This definition is referenced by:  ax1cn  8651  axi2m1  8661  ax1ne0  8662  ax1rid  8663  axrrecex  8665
  Copyright terms: Public domain W3C validator