Description: Obsolete version of tngvsca as of 31-Oct-2024. The scalar multiplication of a structure augmented with a norm. (Contributed by Mario Carneiro, 2-Oct-2015) (New usage is discouraged.) (Proof modification is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | tngbas.t | |- T = ( G toNrmGrp N ) | |
| tngvsca.2 | |- .x. = ( .s ` G ) | ||
| Assertion | tngvscaOLD | |- ( N e. V -> .x. = ( .s ` T ) ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | tngbas.t | |- T = ( G toNrmGrp N ) | |
| 2 | tngvsca.2 | |- .x. = ( .s ` G ) | |
| 3 | df-vsca | |- .s = Slot 6 | |
| 4 | 6nn | |- 6 e. NN | |
| 5 | 6lt9 | |- 6 < 9 | |
| 6 | 1 3 4 5 | tnglemOLD | |- ( N e. V -> ( .s ` G ) = ( .s ` T ) ) | 
| 7 | 2 6 | eqtrid | |- ( N e. V -> .x. = ( .s ` T ) ) |