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Determine Whether the Statement Is a Self-Contradiction, an Implication, a Tautology

Question 124

Multiple Choice

Determine whether the statement is a self-contradiction, an implication, a tautology (that is not also an implication) , or none of these.
- [(p→q) ∧(q→r) ]→(p−r) [ ( p \rightarrow q ) \wedge ( q \rightarrow r ) ] \rightarrow ( p - r )


A) Self-contradiction
B) Tautology
C) Implication
D) None of these

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