Description: Obsolete version of ttgvsca as of 29-Oct-2024. The scalar product of a subcomplex Hilbert space augmented with betweenness. (Contributed by Thierry Arnoux, 25-Mar-2019) (Proof modification is discouraged.) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | ttgval.n | |- G = ( toTG ` H ) | |
| ttgvsca.1 | |- .x. = ( .s ` H ) | ||
| Assertion | ttgvscaOLD | |- .x. = ( .s ` G ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | ttgval.n | |- G = ( toTG ` H ) | |
| 2 | ttgvsca.1 | |- .x. = ( .s ` H ) | |
| 3 | df-vsca | |- .s = Slot 6 | |
| 4 | 6nn | |- 6 e. NN | |
| 5 | 1nn | |- 1 e. NN | |
| 6 | 6nn0 | |- 6 e. NN0 | |
| 7 | 6lt10 | |- 6 < ; 1 0 | |
| 8 | 5 6 6 7 | declti | |- 6 < ; 1 6 | 
| 9 | 1 3 4 8 | ttglemOLD | |- ( .s ` H ) = ( .s ` G ) | 
| 10 | 2 9 | eqtri | |- .x. = ( .s ` G ) |