Description: SH closure of join. (Contributed by NM, 5-May-2000) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | shincl.1 | |- A e. SH |
|
shincl.2 | |- B e. SH |
||
Assertion | shjshcli | |- ( A vH B ) e. SH |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shincl.1 | |- A e. SH |
|
2 | shincl.2 | |- B e. SH |
|
3 | 1 2 | shjcli | |- ( A vH B ) e. CH |
4 | 3 | chshii | |- ( A vH B ) e. SH |