Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.
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
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Word of the Day
24 April 2025
LININ
(noun) an obsolete term for the network of viscous material in the cell nucleus on which the chromatin granules were thought to be suspended
Coffee Trivia
