Description: Any ring can be regarded as a left algebra over itself. The function ringLMod associates with any ring the left algebra consisting in the ring itself regarded as a left algebra over itself. It has an inner product which is simply the ring product. (Contributed by Stefan O'Rear, 6-Dec-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | df-rgmod | |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | crglmod | |
|
1 | vw | |
|
2 | cvv | |
|
3 | csra | |
|
4 | 1 | cv | |
5 | 4 3 | cfv | |
6 | cbs | |
|
7 | 4 6 | cfv | |
8 | 7 5 | cfv | |
9 | 1 2 8 | cmpt | |
10 | 0 9 | wceq | |