Description: Define the universe of a model. (Contributed by Mario Carneiro, 14-Jul-2016)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-muv | |- mUV = Slot 7 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | cmuv | |- mUV |
|
| 1 | c7 | |- 7 |
|
| 2 | 1 | cslot | |- Slot 7 |
| 3 | 0 2 | wceq | |- mUV = Slot 7 |