Examlex
An embryo rests in a sac called the placenta, which is filled with amniotic fluid that cushions the embryo and maintains a constant temperature.
Negation
A compound statement whose truth value is the opposite truth value of its component statement.
Disjunction
A logical operation that results in true if at least one of its premises is true.
Conditional
A logical statement that has the form "If A then B," implying B is true if A is true.
Biconditional
A logical statement of the form "if and only if", showing that both conditions must be true or both false.
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