| Mathbox for Mario Carneiro |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > df-mtc | Structured version Visualization version GIF version | ||
| Description: Define the set of typecodes in a Metamath formal system. (Contributed by Mario Carneiro, 14-Jul-2016.) |
| Ref | Expression |
|---|---|
| df-mtc | ⊢ mTC = Slot 4 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cmtc 35432 | . 2 class mTC | |
| 2 | c4 12295 | . . 3 class 4 | |
| 3 | 2 | cslot 17198 | . 2 class Slot 4 |
| 4 | 1, 3 | wceq 1540 | 1 wff mTC = Slot 4 |
| Colors of variables: wff setvar class |
| This definition is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |