Definition df-idp 15426

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

Assertion

Ref	Expression
df-idp	⊢ Xp = ( I ↾ ℂ)

Detailed syntax breakdown of Definition df-idp

Step	Hyp	Ref	Expression
1		cidp 15424	. 2 class Xp
2		cid 4380	. . 3 class I
3		cc 8013	. . 3 class ℂ
4	2, 3	cres 4722	. 2 class ( I ↾ ℂ)
5	1, 4	wceq 1395	1 wff Xp = ( I ↾ ℂ)

This definition is referenced by:  plyid  15441