Description: Closure of intersection of a nonempty subset of SH . (Contributed by NM, 14-Oct-1999) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypothesis | shintcl.1 | |
|
Assertion | shintcli | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | shintcl.1 | |
|
2 | 1 | simpri | |
3 | n0 | |
|
4 | intss1 | |
|
5 | 1 | simpli | |
6 | 5 | sseli | |
7 | shss | |
|
8 | 6 7 | syl | |
9 | 4 8 | sstrd | |
10 | 9 | exlimiv | |
11 | 3 10 | sylbi | |
12 | 2 11 | ax-mp | |
13 | ax-hv0cl | |
|
14 | 13 | elexi | |
15 | 14 | elint2 | |
16 | sh0 | |
|
17 | 6 16 | syl | |
18 | 15 17 | mprgbir | |
19 | 12 18 | pm3.2i | |
20 | elinti | |
|
21 | 20 | com12 | |
22 | elinti | |
|
23 | 22 | com12 | |
24 | shaddcl | |
|
25 | 6 24 | syl3an1 | |
26 | 25 | 3expib | |
27 | 21 23 26 | syl2and | |
28 | 27 | com12 | |
29 | 28 | ralrimiv | |
30 | ovex | |
|
31 | 30 | elint2 | |
32 | 29 31 | sylibr | |
33 | 32 | rgen2 | |
34 | shmulcl | |
|
35 | 6 34 | syl3an1 | |
36 | 35 | 3expib | |
37 | 23 36 | sylan2d | |
38 | 37 | com12 | |
39 | 38 | ralrimiv | |
40 | ovex | |
|
41 | 40 | elint2 | |
42 | 39 41 | sylibr | |
43 | 42 | rgen2 | |
44 | 33 43 | pm3.2i | |
45 | issh2 | |
|
46 | 19 44 45 | mpbir2an | |