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Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences (French: Discours de la Méthode pour bien conduire sa raison, et chercher la vérité dans les sciences) is a philosophical and autobiographical treatise published by René Descartes in 1637.
Logic is the formal science of using reason and is considered a branch of both philosophy and mathematics and to a lesser extent computer science.Logic investigates and classifies the structure of statements and arguments, both through the study of formal systems of inference and the study of arguments in natural language.
The Latin cogito, ergo sum, usually translated into English as "I think, therefore I am", [a] is the "first principle" of René Descartes's philosophy. He originally published it in French as je pense, donc je suis in his 1637 Discourse on the Method, so as to reach a wider audience than Latin would have allowed. [1]
The form of an argument can be shown by the use of symbols. For each argument form, there is a corresponding statement form, called a corresponding conditional, and an argument form is valid if and only if its corresponding conditional is a logical truth. A statement form which is logically true is also said to be a valid statement form.
This view of reason is concerned with clarifying the norms and procedures by which agreement can be reached, and is therefore a view of reason as a form of public justification. According to the theory of communicative rationality, the potential for certain kinds of reason is inherent in communication itself. Building from this, Habermas has ...
For example, studies have shown that simple repetition of an idea is often a more effective method of argumentation than appeals to reason. Propaganda often utilizes repetition. [ 17 ] " Repeat a lie often enough and it becomes the truth" is a law of propaganda often attributed to the Nazi politician Joseph Goebbels .
Rationalism has a philosophical history dating from antiquity.The analytical nature of much of philosophical enquiry, the awareness of apparently a priori domains of knowledge such as mathematics, combined with the emphasis of obtaining knowledge through the use of rational faculties (commonly rejecting, for example, direct revelation) have made rationalist themes very prevalent in the history ...
Discourse ethics refers to a type of argument that attempts to establish normative or ethical truths by examining the presuppositions of discourse. [1] The ethical theory originated with German philosophers Jürgen Habermas and Karl-Otto Apel , and variations have been used by Frank Van Dun and Habermas' student Hans-Hermann Hoppe .