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

Definition df-1 8210
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 8203 . 2  class  1
2 c1r 7956 . . 3  class  1R
3 c0r 7955 . . 3  class  0R
42, 3cop 3297 . 2  class  <. 1R ,  0R >.
51, 4wceq 1531 1  wff  1  =  <. 1R ,  0R >.
Colors of variables: wff set class
This definition is referenced by:  ax1cn  8236  axi2m1  8246  ax1ne0  8247  ax1rid  8248  axrrecex  8250
  Copyright terms: Public domain W3C validator