Description: The floor function of a division of a real number by a positive real number is a real number. (Contributed by Alexander van der Vekens, 14-Apr-2018)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | refldivcl | |- ( ( K e. RR /\ L e. RR+ ) -> ( |_ ` ( K / L ) ) e. RR ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rerpdivcl | |- ( ( K e. RR /\ L e. RR+ ) -> ( K / L ) e. RR ) |
|
| 2 | reflcl | |- ( ( K / L ) e. RR -> ( |_ ` ( K / L ) ) e. RR ) |
|
| 3 | 1 2 | syl | |- ( ( K e. RR /\ L e. RR+ ) -> ( |_ ` ( K / L ) ) e. RR ) |