Definition df-1 7935

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

Step	Hyp	Ref	Expression
1		c1 7928	. 2 class 1
2		c1r 7414	. . 3 class 1R
3		c0r 7413	. . 3 class 0R
4	2, 3	cop 3636	. 2 class <. 1R , 0R >.
5	1, 4	wceq 1373	1 wff 1 = <. 1R , 0R >.

This definition is referenced by:  pitonnlem1  7960  pitonnlem2  7962  peano1nnnn  7967  peano2nnnn  7968  recidpirq  7973  ax1cn  7976  ax1re  7977  axi2m1  7990  ax0lt1  7991  ax1rid  7992  axprecex  7995  nntopi  8009