Description: Induced metric of a subspace. (Contributed by NM, 10-Apr-2008) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | hhssims2.1 | |
|
hhssims2.3 | |
||
hhssims2.2 | |
||
Assertion | hhssims2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hhssims2.1 | |
|
2 | hhssims2.3 | |
|
3 | hhssims2.2 | |
|
4 | eqid | |
|
5 | 1 3 4 | hhssims | |
6 | 2 5 | eqtr4i | |