Answer (Choose 1 answer)
(See picture)
A. None of the other choices is correct
B. Disjunctive syllogism
C. Modus ponens
D. Hypothetical syllogism
E. Modus tollens
Recall some rules of inference
p^(pq) →q
Modus ponens
Modus tollens
q^ (pq) → P
Hypothetical syllogism (pq) ^ (qr) (pr)
Disjunctive syllogism [(pq)^<p]→q
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Next
Determine the rule used by the following argument
"The number X is either odd or even. Assume X is not even. Then X is odd."
vat fini
Finish
Ex (21