Description: Define the set of constants in a Metamath formal system. (Contributed by Mario Carneiro, 14-Jul-2016)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-mcn | |- mCN = Slot 1 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | cmcn | |- mCN |
|
| 1 | c1 | |- 1 |
|
| 2 | 1 | cslot | |- Slot 1 |
| 3 | 0 2 | wceq | |- mCN = Slot 1 |