The difference between Closed interval and Interval
When used as nouns, closed interval means an interval in the real number line which contains its supremum and infimum, whereas interval means a distance in space.
check bellow for the other definitions of Closed interval and Interval
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Closed interval as a noun (mathematics):
an interval in the real number line which contains its supremum and infimum.
Examples:
"ant open interval"
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Interval as a noun:
A distance in space.
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Interval as a noun:
A period of time.
Examples:
"the interval between contractions during childbirth"
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Interval as a noun (music):
The difference (a ratio or logarithmic measure) in pitch between two notes, often referring to those two pitches themselves (otherwise known as a dyad).
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Interval as a noun (mathematics):
A connected section of the real line which may be empty or have a length of zero.
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Interval as a noun (chiefly, British):
An intermission.
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Interval as a noun (sports):
half time, a scheduled intermission between the periods of play
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Interval as a noun (cricket):
Either of the two breaks, at lunch and tea, between the three sessions of a day's play