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