| Mathbox for Mario Carneiro |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > df-mty | Structured version Visualization version GIF version | ||
| Description: Define the type function in a Metamath formal system. (Contributed by Mario Carneiro, 14-Jul-2016.) |
| Ref | Expression |
|---|---|
| df-mty | ⊢ mType = Slot 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cmty 35430 | . 2 class mType | |
| 2 | c3 12294 | . . 3 class 3 | |
| 3 | 2 | cslot 17198 | . 2 class Slot 3 |
| 4 | 1, 3 | wceq 1540 | 1 wff mType = Slot 3 |
| Colors of variables: wff setvar class |
| This definition is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |