formal logic.docx - Tate Rodriguez Formal Logic Formal...

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Tate Rodriguez Formal Logic Formal logic is interesting because it is so different than informal logic. Learning about formal logic has helped me think about arguments in a more structured and analytical way. In this section of logic class, I have learned a lot about analyzing arguments more closely, the differences between formal and informal logic, and the uses that formal logic can be applied to. In formal logic, one can always deduce the conclusion from the premises. In formal logic, the evidence is formally presented, and always justifies the conclusion. However, in informal logic, the premise does not ensure the conclusion, but only supports it. Furthermore, informal logic often contains unstated assumptions on the part of the speaker. Therefore, informal logic leaves more room for error in its conclusion. Formal logic is much more precise than informal logic because it relies on a structured format to set up arguments and their conclusions. Formal logic is different than informal logic because in formal logic the steps of an argument lead to the conclusion, and the steps are organized in a certain pattern. There are various patterns that formal logic can be organized into, such as modus ponens, which states, “If R then S. It is R, therefore S.” Formal logic provides a structured framework for both proving and disproving arguments. Formal logic is considered by many writers to be of somewhat restricted use in the study of argumentation. However, it can give some insights about building and analyzing arguments. This is different from informal logic because informal arguments have no specific pattern, they just have to state certain things. Informal logic provides tools for analyzing arguments that occur in everyday language as
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opposed to structured forms. One area informal logic focuses on is analyzing fallacies to determine the validity of claims or arguments. Informal logic is much more common and widely used than formal logic. Fallacies are commonly seen in our everyday lives, but arguments like destructive dilemmas are few and far between in media and in life in general. Formal logic tends to be straightforward, and gets right to the point. Informal logic, however, is often spoken without planning or forethought. Many informal logic arguments are biased and they attempt to deceive, whereas formal logic uses validity and structure to get the point across.
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  • Fall '18
  • m
  • Logic

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