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Artemon [7]
3 years ago
15

Which set of statements always have the same truth value?

Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Let p and q be two propositional statements,


The conditional of the two statements is



'If p then q'


written symbolically as

p \rightarrow q



The converse is


'If q then p'


written symbolically as

q \rightarrow p








The Inverse is


'If not p then not q'


written symbolically as

\neg p \rightarrow \neg q




The contrapositive is


'If not q then not p'


written symbolically as

\neg q \rightarrow \neg p



In order to determine which pairs have the same truth value, we draw a truth table as in the diagram.



We can see from the diagram that the conditional and the contrapositive have the same truth value.



The correct option is D.

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