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Philosophy A Level
Philosophy A Level
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The Square of Opposition Explained

June 9, 2023 PhilosophyALevel.com

Dating back at least as far as Aristotle in the 4th Century BC, the Square of Opposition is a visual…

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Posted in: Logic, Reason and argument

Using Truth Tables to Define Logical Connectives and Determine Validity

June 8, 2023 PhilosophyALevel.com

In logic and reasoning, truth tables play an important role in analysing and evaluating the truth values of propositions. Truth…

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Posted in: Logic, Reason and argument

The Basic Logical Equivalence Laws (Statement Logic)

June 5, 2023 PhilosophyALevel.com

If two statements are logically equivalent, it means they have the same truth value in all possible scenarios. In other…

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Posted in: Logic, Reason and argument

The Basic Logical Inference Laws (Statement Logic)

May 30, 2023 PhilosophyALevel.com

A logical inference is a type of reasoning process that enables us to draw conclusions or make judgements based on…

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Posted in: Logic, Reason and argument

If A then B: Modus Ponens, Modus Tollens, Affirming the Consequent, and Denying the Antecedent

May 28, 2023 PhilosophyALevel.com

In this post, we’ll explore four specific argument forms based on conditional statements. Two of these argument forms are valid:…

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Posted in: Logic, Reason and argument
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