Description: The topology of the symmetric group on A . (Contributed by Mario Carneiro, 29-Aug-2015)
Ref | Expression | ||
---|---|---|---|
Hypotheses | symgga.g | |
|
symgga.b | |
||
Assertion | symgtopn | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | symgga.g | |
|
2 | symgga.b | |
|
3 | 1 | symgtset | |
4 | 3 | oveq1d | |
5 | eqid | |
|
6 | 2 5 | topnval | |
7 | 4 6 | eqtrdi | |