a) "Doug, a student in this class, knows how to write programs in JAVA, Everyone who knows how to write programs in JAVA can get a high-paying job. There- fore, someone in this class can get a high-paying job." c) "Each of the 93 students in this class owns a personal computer. Everyone who owns a personal computer can use a word processing program. Therefore, Zeke, a student in this class, can use a word processing pro- 77 gram

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132-9 IMG

Problem 9 (Rules of Inference)
For each of these arguments, explain which rules of in-
ference are used for each step.
a) "Doug, a student in this class, knows how to write
programs in JAVA. Everyone who knows how to write
programs in JAVA can get a high-paying job. There-
fore, someone in this class can get a high-paying job."
c) "Each of the 93 students in this class owns a personal .
computer. Everyone who owns a personal computer
can use a word processing program. Therefore, Zeke,
a student in this class, can use a word processing pro-
gram."
Transcribed Image Text:Problem 9 (Rules of Inference) For each of these arguments, explain which rules of in- ference are used for each step. a) "Doug, a student in this class, knows how to write programs in JAVA. Everyone who knows how to write programs in JAVA can get a high-paying job. There- fore, someone in this class can get a high-paying job." c) "Each of the 93 students in this class owns a personal . computer. Everyone who owns a personal computer can use a word processing program. Therefore, Zeke, a student in this class, can use a word processing pro- gram."
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