Description: Define vector subtraction on a normed complex vector space. (Contributed by NM, 15-Feb-2008) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | df-vs | |- -v = ( /g o. +v ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | cnsb | |- -v |
|
1 | cgs | |- /g |
|
2 | cpv | |- +v |
|
3 | 1 2 | ccom | |- ( /g o. +v ) |
4 | 0 3 | wceq | |- -v = ( /g o. +v ) |