Description: The zero subspace is the smallest member of CH . (Contributed by NM, 14-Aug-2002) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | ch0le | |- ( A e. CH -> 0H C_ A ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | chsh | |- ( A e. CH -> A e. SH ) |
|
2 | sh0le | |- ( A e. SH -> 0H C_ A ) |
|
3 | 1 2 | syl | |- ( A e. CH -> 0H C_ A ) |