Definition df-1 7816

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 7809	. 2 class 1
2		c1r 7295	. . 3 class 1R
3		c0r 7294	. . 3 class 0R
4	2, 3	cop 3595	. 2 class <. 1R , 0R >.
5	1, 4	wceq 1353	1 wff 1 = <. 1R , 0R >.

This definition is referenced by:  pitonnlem1  7841  pitonnlem2  7843  peano1nnnn  7848  peano2nnnn  7849  recidpirq  7854  ax1cn  7857  ax1re  7858  axi2m1  7871  ax0lt1  7872  ax1rid  7873  axprecex  7876  nntopi  7890