Metamath Proof Explorer


Definition df-mulr

Description: Define ring multiplication. (Contributed by NM, 4-Sep-2011) (Revised by Mario Carneiro, 14-Aug-2015)

Ref Expression
Assertion df-mulr
|- .r = Slot 3

Detailed syntax breakdown

Step Hyp Ref Expression
0 cmulr
 |-  .r
1 c3
 |-  3
2 1 cslot
 |-  Slot 3
3 0 2 wceq
 |-  .r = Slot 3