Chapter Four - Do not make any assumptions that are...

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Chapter Four Reasoning and Inference Logical Puzzles as Reasoning Exercises Make a grid with allowing all options X areas that cannot be true O areas that can be true Logical Proof as a Critical Thinking Exercise Clear on what we are trying to figure out and what the given information is Put information into a form where we can refer to parts of it clearly Accomplished by giving each sample piece of information a separate statement The Goal of this procedure is to establish an unbroken chain of reasoning linking the given information to our solution. Each step in this solution is justified by reference to: a. One or more given pieces or information b. One or more previous steps of reasoning c. Some combination of (a) and (b) d. Some acceptable reasoning procedure Do not take any steps that are unnecessary to solution
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Unformatted text preview: Do not make any assumptions that are unnecessary Implications and Inferences Implications are meaning or contents that lie embedded in a piece of discourse Need to be drawn out and put in the form of statements Inferences are conclusions that are logically deduced or derived by reasoning from given facts of information To bring about a logical conclusion from facts Always a mental act To deduce logically from given information Logical Assumptions and Implications Implication What statements must be true if statement A is true Logical Assumptions What statements must be true in order for statement A to be true Presuppositions To seek wider context in which the statement is located to gain more information about it...
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Chapter Four - Do not make any assumptions that are...

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