Description: [ 0 , 1 ] closure of the value of a state. (Contributed by Mario Carneiro, 23-Dec-2013) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | sticl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isst | ||
2 | 1 | simp1bi | |
3 | ffvelrn | ||
4 | 3 | ex | |
5 | 2 4 | syl |