Definition df-lti 7115

Description: Define 'less than' on positive integers. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. (Contributed by NM, 6-Feb-1996.)

Assertion

Ref	Expression
df-lti	|- <N = ( _E i^i ( N. X. N. ) )

Detailed syntax breakdown of Definition df-lti

Step	Hyp	Ref	Expression
1		clti 7083	. 2 class <N
2		cep 4209	. . 3 class _E
3		cnpi 7080	. . . 4 class N.
4	3, 3	cxp 4537	. . 3 class ( N. X. N. )
5	2, 4	cin 3070	. 2 class ( _E i^i ( N. X. N. ) )
6	1, 5	wceq 1331	1 wff <N = ( _E i^i ( N. X. N. ) )

This definition is referenced by:  ltpiord  7127  ltrelpi  7132