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Reasoning: Arguing Cogently   By David Roberts, UR Writing Fellow ( printable version here ) Academic writing requires writers to make claims and support them using evidence of one kind or another. When writers em Three Characteristics of Good Arguments A cogent argument has three characteristics, according to Kahane and Cavender (1998): 1. All its premises are true . The premise(s), the reasons for accepting the conclusion(s), must be true – or, at least, believab   2. It considers all relevant information . Good arguments also consider all information likely to be relevant. This includes ad   3. It is logically valid . Validity, defined very loosely, means that the premises do, in fact, give readers reason to accept the c A Good Argument and a Bad Argument Consider the following two arguments. The first argument displays good reasoning and the second demonstrates fallacious 1. If it is raining, then the ground is wet. 2. It is raining. 3. Therefore, the ground is wet. The first premise specifies a conditional relationship. This is denoted by the if/then structure of the sentence. If A happens,
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