Metamath Proof Explorer


Definition df-mulr

Description: Define ring multiplication. (Contributed by NM, 4-Sep-2011) (Revised by Mario Carneiro, 14-Aug-2015) Use its index-independent form mulrid instead. (New usage is discouraged.)

Ref Expression
Assertion df-mulr 𝑟=Slot3

Detailed syntax breakdown

Step Hyp Ref Expression
0 cmulr class𝑟
1 c3 class3
2 1 cslot classSlot3
3 0 2 wceq wff𝑟=Slot3