INSTRUCTIONS: Select the correct answer for each multiple choice question. Given the categorical proposition "No optical-scan voting machines are devices vulnerable to hackers." If the quantity but not the quality is changed, the resulting proposition is:
A) Some optical-scan voting machines are not devices vulnerable to hackers.
B) No optical-scan voting machines are devices that are not vulnerable to hackers.
C) Some optical-scan voting machines are devices vulnerable to hackers.
D) All optical-scan voting machines are devices vulnerable to hackers.
E) No optical-scan voting machines are devices vulnerable to hackers.
A
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