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A number's being divisible by 4 is sufficient (but not necessary) for it to be even, but being divisible by 2 is both sufficient and necessary for it to be even. Example 3 An occurrence of thunder is a sufficient condition for the occurrence of lightning in the sense that hearing thunder, and unambiguously recognizing it as such, justifies ...
The Battle of Normandy in 1944 is an example of a need-to-know restriction. Though thousands of military personnel were involved in planning the invasion, only a small number of them knew the entire scope of the operation; the rest were only informed of data needed to complete a small part of the plan.
The American Library Association's Presidential Committee on Information Literacy defined information literacy as the ability "to recognize when information is needed and have the ability to locate, evaluate, and use effectively the needed information" and highlighted information literacy as a skill essential for lifelong learning and the ...
Information needs are related to, but distinct from information requirements. They are studied for: The explanation of observed phenomena of information use or expressed need; The prediction of instances of information uses; The control and thereby improvement of the utilization of information manipulation of essential conditions.
The EEI are specific to a particular event, thing, or other target individual. The EEI are written out in advance as questions by consumers of the EEI information. Then, the EEI questions are used by collectors of the information that may not be in direct contact with the consumer at the time the information is collected. A specific set of EEIs ...
An important task or essential thing to do at a particular time or by a particular moment; Necessary and sufficient condition, in logic, something that is a required condition for something else to be the case; Necessary proposition, in logic, a statement about facts that is either unassailably true (tautology) or obviously false (contradiction)
Necessitarianism is a metaphysical principle that denies all mere possibility; there is exactly one way for the world to be.. It is the strongest member of a family of principles, including hard determinism, each of which deny libertarian free will, reasoning that human actions are predetermined by external or internal antecedents.
A priori and a posteriori knowledge – these terms are used with respect to reasoning (epistemology) to distinguish necessary conclusions from first premises.. A priori knowledge or justification – knowledge that is independent of experience, as with mathematics, tautologies ("All bachelors are unmarried"), and deduction from pure reason (e.g., ontological proofs).