Metamath Proof Explorer


Definition df-rgmod

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 ringLMod = w V subringAlg w Base w

Detailed syntax breakdown

Step Hyp Ref Expression
0 crglmod class ringLMod
1 vw setvar w
2 cvv class V
3 csra class subringAlg
4 1 cv setvar w
5 4 3 cfv class subringAlg w
6 cbs class Base
7 4 6 cfv class Base w
8 7 5 cfv class subringAlg w Base w
9 1 2 8 cmpt class w V subringAlg w Base w
10 0 9 wceq wff ringLMod = w V subringAlg w Base w