Description: Add disjunct to both sides of Hilbert subspace ordering. (Contributed by NM, 22-Jun-2004) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | shlej2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shlej1 | |
|
2 | shjcom | |
|
3 | 2 | 3adant2 | |
4 | 3 | adantr | |
5 | shjcom | |
|
6 | 5 | 3adant1 | |
7 | 6 | adantr | |
8 | 1 4 7 | 3sstr3d | |