Definition df-deg1 23816

Description: Define the degree of a univariate polynomial. (Contributed by Stefan O'Rear, 23-Mar-2015.)

Assertion

Ref	Expression
df-deg1	|- deg1 = ( r e. _V |-> ( 1o mDeg r ) )

Detailed syntax breakdown of Definition df-deg1

Step	Hyp	Ref	Expression
1		cdg1 23814	. 2 class deg1
2		vr	. . 3 setvar r
3		cvv 3200	. . 3 class _V
4		c1o 7553	. . . 4 class 1o
5	2	cv 1482	. . . 4 class r
6		cmdg 23813	. . . 4 class mDeg
7	4, 5, 6	co 6650	. . 3 class ( 1o mDeg r )
8	2, 3, 7	cmpt 4729	. 2 class ( r e. _V |-> ( 1o mDeg r ) )
9	1, 8	wceq 1483	1 wff deg1 = ( r e. _V |-> ( 1o mDeg r ) )

This definition is referenced by:  deg1fval  23840