Metamath Proof Explorer


Definition df-idp

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

Ref Expression
Assertion df-idp ⊢ X p = I ↾ ℂ

Detailed syntax breakdown

Step Hyp Ref Expression
0 cidp class X p
1 cid class I
2 cc class ℂ
3 1 2 cres class I ↾ ℂ
4 0 3 wceq wff X p = I ↾ ℂ