Examlex
Prove or disprove: if p and q are prime numbers, then pq+1 is prime.
Biconditional
A logical statement in which both parts imply each other; it is true when both parts have the same truth value.
Tautologies
Statements that are true in every possible interpretation because they affirm by their structure, such as "either it will rain today or it won't."
Main Components
Fundamental parts or elements that are essential to the structure or function of something.
Antecedent
In logic and grammar, an antecedent is the preceding clause, phrase, or word to which a pronoun, another word, or a noun refers.
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