Definition:Closed Real Interval/Also known as
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Closed Real Interval: Also known as
A closed real interval can also be referred to as compact.
Some sources do not explicitly define an open interval, and merely to a closed real interval as an interval.
Such imprecise practice is usually discouraged.
Sources
- 1963: Morris Tenenbaum and Harry Pollard: Ordinary Differential Equations ... (previous) ... (next): Chapter $1$: Basic Concepts: Lesson $2 \text A$: The Meaning of the Term Set