Definition df-idp

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

	Ref	Expression
Assertion	df-idp	⊢ Xp = ( I ↾ ℂ )

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		cidp	⊢ Xp
1		cid	⊢ I
2		cc	⊢ ℂ
3	1 2	cres	⊢ ( I ↾ ℂ )
4	0 3	wceq	⊢ Xp = ( I ↾ ℂ )