Description: Closure of the inferior limit. (Contributed by Glauco Siliprandi, 2-Jan-2022)
Ref | Expression | ||
---|---|---|---|
Hypothesis | liminfcld.1 | |- ( ph -> F e. V ) |
|
Assertion | liminfcld | |- ( ph -> ( liminf ` F ) e. RR* ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | liminfcld.1 | |- ( ph -> F e. V ) |
|
2 | liminfcl | |- ( F e. V -> ( liminf ` F ) e. RR* ) |
|
3 | 1 2 | syl | |- ( ph -> ( liminf ` F ) e. RR* ) |