Answer:
C. A flaw in an arguments reasoning
Explanation:
Here is a good definition for you: A logical fallacy is an error in reasoning or a false assumption that might sound impressive but proves absolutely nothing.
Noun is the part of speech
C. Northren becuase is should be read as Northern
Answer:
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The rules of inference (also known as inference rules) are a logical form or guide consisting of premises (or hypotheses) and draws a conclusion. A valid argument is when the conclusion is true whenever all the beliefs are true, and an invalid argument is called a fallacy as noted by Monroe Community College.