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