PrepTest 92+, Section 1, Question 13
Philosopher: As many prominent physicists have suggested, energy is merely a theoretical construct. Since the theory of relativity tells us that there is no essential distinction between energy and mass, mass must also be a theoretical construct. But all physical objects are composed purely of mass and energy. Thus, physical objects must also be theoretical constructs.
Philosopher: As many prominent physicists have suggested, energy is merely a theoretical construct. Since the theory of relativity tells us that there is no essential distinction between energy and mass, mass must also be a theoretical construct. But all physical objects are composed purely of mass and energy. Thus, physical objects must also be theoretical constructs.
Philosopher: As many prominent physicists have suggested, energy is merely a theoretical construct. Since the theory of relativity tells us that there is no essential distinction between energy and mass, mass must also be a theoretical construct. But all physical objects are composed purely of mass and energy. Thus, physical objects must also be theoretical constructs.
Philosopher: As many prominent physicists have suggested, energy is merely a theoretical construct. Since the theory of relativity tells us that there is no essential distinction between energy and mass, mass must also be a theoretical construct. But all physical objects are composed purely of mass and energy. Thus, physical objects must also be theoretical constructs.
The philosopher's argument is most vulnerable to criticism on which one of the following grounds?
It fails to consider whether anything other than physical objects may be composed purely of mass and energy.
It overlooks the possibility that something may lack a feature even if it is composed purely of things that have that feature.
It presumes, without providing justification, that two things may have different features even if there is no essential distinction between them.
It fails to address adequately the possibility that a feature of some theoretical constructs need not be shared by every theoretical construct.
It presumes, without providing justification, that the fact that a suggestion has been made by a physicist proves the truth of that suggestion.
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