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A person who possesses these forms of rationality to a sufficiently high degree may themselves be called rational. [1] In some cases, also non-mental results of rational processes may qualify as rational. For example, the arrangement of products in a supermarket can be rational if it is based on a rational plan. [6] [2]
As the study of argument is of clear importance to the reasons that we hold things to be true, logic is of essential importance to rationality. Arguments may be logical if they are "conducted or assessed according to strict principles of validity", [1] while they are rational according to the broader requirement that they are based on reason and knowledge.
Examples from the classical and modern period represent a realistic approach to linguistics, while accounts written during the Age of Enlightenment represent rationalism, focusing on human thought. [1] [2] Logical, rational or general grammar was the dominant approach to language until it was supplanted by romanticism. [3]
The meaning of the word "reason" in senses such as "human reason" also overlaps to a large extent with "rationality" and the adjective of "reason" in philosophical contexts is normally "rational", rather than "reasoned" or "reasonable". [11] Some philosophers, Hobbes for example, also used the word ratiocination as a synonym for "reasoning".
He labels all these trends as being post-metaphysical. [4] These post-metaphysical philosophical movements have, among other things: called into question the substantive conceptions of rationality (e.g. "a rational person thinks this") and put forward procedural or formal conceptions instead (e.g. "a rational person thinks like this");
Deductive reasoning offers the strongest support: the premises ensure the conclusion, meaning that it is impossible for the conclusion to be false if all the premises are true. Such an argument is called a valid argument, for example: all men are mortal; Socrates is a man; therefore, Socrates is mortal. For valid arguments, it is not important ...
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 ...
In the words of Aristotle, in the Rhetoric, rhetoric is "...the faculty of observing in any given case the available means of persuasion". According to Aristotle, this art of persuasion could be used in public settings in three different ways: "A member of the assembly decides about future events, a juryman about past events: while those who ...