Check Whether the Set and the Operation Form a Group

question 73

Multiple Choice

Check whether the set and the operation form a group. ​
Ω for ×
​

• A) no
• B) yes

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Definitions:

Pairwise Vote

A voting system where candidates are compared and voted on in pairs, with the winner being the one who wins the most direct comparisons.

Unanimity

A condition in decision-making where all members of a group fully agree on a specific decision or outcome.

Independence of Irrelevant Alternatives

A decision-making principle asserting that the relative preference between two options should not be affected by the introduction of a third irrelevant option.

Borda Count Election

A voting method that involves ranking candidates in order of preference, with points assigned based on position in the ranking, to determine the winner.