Which of the following statements is vague?
A) Frank seems a little off these days.
B) Platinum is more expensive, ounce for ounce, than gold.
C) The assailant struck a lumberjack with an ax.
D) All of today's cell phones contain microchips.
E) Sixty million Americans suffer from insomnia.
A
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A disjunction is false on the condition that
a. all parts are false b. at least one part is false c. the first disjunct is true and the second false d. only one disjunct is true
What kind of proposition is represented by ~{[D v (~M ? ~D)] ? ~(M ? D)}?
A) a tautology B) a contradiction C) a contingency
Muhammad was married to Kadijah
Indicate whether the statement is true or false.
Adam Smith argues that if persons pursue their own interests through the market, the result will be that the interests of society are promoted more effectively than if governments actively try to do so
Indicate whether the statement is true or false