In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
SUPREMUM
Etymology
Noun
supremum (plural suprema)
(set theory) (real analysis): Given a subset X of R, the smallest real number that is ≥ every element of X; (order theory): given a subset X of a partially ordered set P (with partial order ≤), the least element y of P such that every element of X is ≤ y.
Usage notes
• Commonly denoted sup(X).
• The supremum of X may not exist, and, if it does, may not be an element of X.
• (order theory)
Formally: Let be the set of upper bounds of X. Then sup(X), if it exists, is the element .
The concept of supremum is closely related to the function ∨ (called join). The supremum of two elements, denoted can also be written . The supremum of a set may be denoted or .
Synonyms
• (element of a set greater than or equal to all members of a given subset): least upper bound, LUB, sup
Coordinate terms
• infimum
Anagrams
• supermum
Source: Wiktionary
Recent Word Finds
Word of the Day
29 April 2024
SUBDUCTION
(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
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