Table of Contents
What did Aristotle say about logic?
Aristotle does not believe that the purpose of logic is to prove that human beings can have knowledge. (He dismisses excessive scepticism.) The aim of logic is the elaboration of a coherent system that allows us to investigate, classify, and evaluate good and bad forms of reasoning.
On what was Aristotle’s logic based?
Aristotle’s logic was a term logic in the sense that it focused on logical relations between such terms in valid inferences. Aristotle was the first logician to use variables.
What did Plato say about logic?
Plato’s logic is relational, not Aristotelian. This is because the causes are easiest to interpret as causal relations. Then the causal relations form series, and the series begin or end in Forms or Gods. In this book’s formal vocabulary Plato’s logic is always of the form aRbRc…
Who discovered logic?
Aristotle
It started with Aristotle (the father of Logic), around 335 BC … – Formal Logic started independently in India and continued to develop to early modern times. It started in the 6th Century BC by Medhatithi Gautama.
Who discovered philosophy of logic?
There was a medieval tradition according to which the Greek philosopher Parmenides (5th century bce) invented logic while living on a rock in Egypt.
Can a valid logical argument lead to a false conclusion?
However, if one or more premise is false then a valid logical argument may still lead to a false conclusion. A sound argument is one in which the logic is valid and the premises are true, in which case the conclusion must be true.
Is “poisoning the well” a logical fallacy?
“John is wrong because he is a jerk.” is a logical fallacy.) The term “poisoning the well” also refers to a form of ad hominem fallacy. This is an attempt to discredit the argument of another by implying that they possess an unsavory trait, or that they are affiliated with other beliefs or people that are wrong or unpopular.
What are the premises of logical connection and conclusion?
Premise1: If A = B, Premise2: and B = C Logical connection: Then (apply principle of equivalence) Conclusion: A = C In order for an argument to be considered valid the logical form of the argument must work – must be valid. A valid argument is one in which, if the premises are true, then the conclusion must be true also.
How many logical fallacies are there in this list?
Although this list started as our “top 20 logical fallacies,” we include more than 20 fallacies for your information, and will likely continue to add to the list. An ad hominem argument is any that attempts to counter another’s claims or conclusions by attacking the person, rather than addressing the argument itself.