Let p : The whole number has one digit. Let q : The whole number is less than 10 Which represents "The whole number has one digit if and only if the whole number is less than 10 ”?
Answer
A
p left right arrow q
B
p rightarrow q
C
p vee q
D
p wedge q
Explanation
“If and only if” is represented by the biconditional symbol, ↔. Since p means the whole number has one digit and q means it is less than 10, the statement is p ↔ q, choice A.
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