Metamath Proof Explorer


Definition df-idp

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

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

Detailed syntax breakdown

Step Hyp Ref Expression
0 cidp
 |-  Xp
1 cid
 |-  _I
2 cc
 |-  CC
3 1 2 cres
 |-  ( _I |` CC )
4 0 3 wceq
 |-  Xp = ( _I |` CC )