Definition df-idp 14877

Description: Define the identity polynomial. (Contributed by Mario Carneiro, 17-Jul-2014.)

Assertion

Ref	Expression
df-idp	|- Xp = ( _I |` CC )

Detailed syntax breakdown of Definition df-idp

Step	Hyp	Ref	Expression
1		cidp 14875	. 2 class Xp
2		cid 4319	. . 3 class _I
3		cc 7870	. . 3 class CC
4	2, 3	cres 4661	. 2 class ( _I |` CC )
5	1, 4	wceq 1364	1 wff Xp = ( _I |` CC )

This definition is referenced by:  plyid  14892