Definition df-1 7740

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 7733	. 2 class 1
2		c1r 7219	. . 3 class 1R
3		c0r 7218	. . 3 class 0R
4	2, 3	cop 3563	. 2 class <. 1R , 0R >.
5	1, 4	wceq 1335	1 wff 1 = <. 1R , 0R >.

This definition is referenced by:  pitonnlem1  7765  pitonnlem2  7767  peano1nnnn  7772  peano2nnnn  7773  recidpirq  7778  ax1cn  7781  ax1re  7782  axi2m1  7795  ax0lt1  7796  ax1rid  7797  axprecex  7800  nntopi  7814