Description: Define scalar field component of a vector space v . (Contributed by NM, 4-Sep-2011) (Revised by Mario Carneiro, 14-Aug-2015) Use its index-independent form scaid instead. (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-sca | |- Scalar = Slot 5 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | csca | |- Scalar |
|
| 1 | c5 | |- 5 |
|
| 2 | 1 | cslot | |- Slot 5 |
| 3 | 0 2 | wceq | |- Scalar = Slot 5 |