Use either the intuitive test or the scenario method to determine whether the argument is valid or invalid. Everything Professor Stone says is true. Professor Stone says that there have been longstanding contacts between the CIA and intelligent aliens from outer space for decades. It clearly follows that there have been such contacts since at least the 1990's
a. Valid
b. Invalid
a
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The truth or falsity of empirical statements like "There is no airport in Tulsa"
A) ?is contingent. B) ?is necessary. C) ?can only be known by God. D) ?is unknowable.
Because narcotics are highly addictive and potentially harmful, they are usually either regulated by prescription or banned outright. (Robert J. Sternberg, Pathways to Psychology)This statement is an example of a(n) ________.
A. illustration B. argument C. explanation D. conditional statement E. unsupported assertion
Materialism is compatible with:
a. life after death b. none of these are correct c. substance dualism d. property dualism
Informed consent refers to a formalized procedure whereby patients consent to treatment usually in writing
Indicate whether the statement is true or false