Description: The scalars of an associative algebra form a ring. (Contributed by Mario Carneiro, 7-Jan-2015) (Revised by SN, 2-Mar-2025)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | assasca.f | |- F = ( Scalar ` W ) |
|
| Assertion | assasca | |- ( W e. AssAlg -> F e. Ring ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | assasca.f | |- F = ( Scalar ` W ) |
|
| 2 | assalmod | |- ( W e. AssAlg -> W e. LMod ) |
|
| 3 | 1 | lmodring | |- ( W e. LMod -> F e. Ring ) |
| 4 | 2 3 | syl | |- ( W e. AssAlg -> F e. Ring ) |