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Biconditional
A logical statement of the form "if and only if", showing that both conditions must be true or both false.
Biconditionals
Statements that are true only if both components are either true or false together, often expressed as "if and only if."
Conjunction
In logic, an operator that connects two statements or propositions so that the resulting statement is true only if both components are true.
Disjunction
A logical operation yielding a true value if at least one of its operands is true.
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