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 | ||
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Assertion | refldivcl | |- ( ( K e. RR /\ L e. RR+ ) -> ( |_ ` ( K / L ) ) e. RR ) |
Step | Hyp | Ref | Expression |
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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 ) |