Propositional logic is also called propositional calculus, sentential logic, statement logic and sentence logic. It is a formalism that is useful for analyzing certain arguments (deductions) that ...

How can one demonstrate that an argument or inference is not valid? The course begins with a simple system called sentential or propositional logic, which despite its simplicity captures a significant ...

First of all, identify the overall logical structure of the sentence ... Exercise 2.6.1 Display the propositional form of the following argument. Does it seem valid to you? Does it convince you that ...

Ever since modern symbolic logic was consolidated (in the mid 1900s), the standard format for an introductory logic class has been to learn the classical predicate calculus in three steps: ...

How can one demonstrate that an argument or inference is not valid? The course begins with a simple system called sentential or propositional logic, which despite its simplicity captures a significant ...