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1.5 Argument Forms Proving Invalidity

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Nicholas Lykins
Nicholas Lykins

Course lecture I developed over section 1.5 of Patrick Hurley\'s "A Concise Introduction to Logic".

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1.5 Argument Forms: Proving Invalidity
Overview ,[object Object],[object Object],[object Object]
Popular deductive forms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Proper form of an argument ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Proper form, continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Proper form, continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Recognizing invalid forms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Exceptions to the rule ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Invalid substitutions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Invalid substitutions, continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Substituting tips ,[object Object],[object Object],[object Object],[object Object],[object Object]
Other invalid forms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Deductive fallacies in hypothetical syllogisms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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1.5 Argument Forms Proving Invalidity