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In linguistics, agreement or concord (abbreviated agr) occurs when a word changes form depending on the other words to which it relates. [1] It is an instance of inflection , and usually involves making the value of some grammatical category (such as gender or person ) "agree" between varied words or parts of the sentence .
Typologically, negative concord occurs in a minority of languages. [6] [7] Languages without negative concord typically have negative polarity items that are used in place of additional negatives when another negating word already occurs. Examples are "ever", "anything" and "anyone" in the sentence "I haven't ever owed anything to anyone" (cf.
In social choice theory, Condorcet's voting paradox is a fundamental discovery by the Marquis de Condorcet that majority rule is inherently self-contradictory.The result implies that it is logically impossible for any voting system to guarantee that a winner will have support from a majority of voters: for example there can be rock-paper-scissors scenario where a majority of voters will prefer ...
These rules limit spoilers to situations where majority rule is self-contradictory, called Condorcet cycles, and as a result uniquely minimize the possibility of a spoiler effect among ranked rules. (Indeed, many different social welfare functions can meet Arrow's conditions under such restrictions of the domain.
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“For example, there is a difference between British English and American English for sure in the words and the jargon, which are sometimes taken differently and sometimes have put people in trouble.
Each logic operator can be used in an assertion about variables and operations, showing a basic rule of inference. Examples: The column-14 operator (OR), shows Addition rule: when p=T (the hypothesis selects the first two lines of the table), we see (at column-14) that p∨q=T.
Constructive dilemma [1] [2] [3] is a valid rule of inference of propositional logic.It is the inference that, if P implies Q and R implies S and either P or R is true, then either Q or S has to be true.