Examlex
The rate at which a consumer is willing to exchange one good for another, and maintain a constant level of satisfaction, is called the:
Triple Bar
A symbol (≡) used in logic and mathematics to denote identity or equivalence between two statements.
Biconditional
A logical connection between two statements where both or neither of the statements are true, often expressed as "if and only if".
Conjunction
A logical operator that connects two statements and indicates that both statements are true simultaneously.
Negation
A logical operation that reverses the truth value of a proposition.
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