Description: Define the set of sigma-algebra on a given set. (Contributed by Glauco Siliprandi, 17-Aug-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | df-salon |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | csalon | ||
1 | vx | ||
2 | cvv | ||
3 | vs | ||
4 | csalg | ||
5 | 3 | cv | |
6 | 5 | cuni | |
7 | 1 | cv | |
8 | 6 7 | wceq | |
9 | 8 3 4 | crab | |
10 | 1 2 9 | cmpt | |
11 | 0 10 | wceq |