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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.
The meaning of the terms "rational" and "irrational" in academic discourse often differs from how they are used in everyday language. Examples of behaviors considered irrational in ordinary discourse are giving into temptations , going out late even though one has to get up early in the morning, smoking despite being aware of the health risks ...
The definition of man as a rational animal was common in scholastical philosophy. [6] Catholic Encyclopedia states that this definition means that "in the system of classification and definition shown in the Arbor Porphyriana , man is a substance , corporeal , living , sentient , and rational ".
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".
Logical reasoning is norm-governed in the sense that it aims to formulate correct arguments that any rational person would find convincing. The main discipline studying logical reasoning is logic . Distinct types of logical reasoning differ from each other concerning the norms they employ and the certainty of the conclusion they arrive at.
(1) instrumentally rational (zweckrational), that is, determined by expectations as to the behavior of objects in the environment and of other human beings; these expectations are used as "conditions" or "means" for the attainment of the actor's own rationally pursued and calculated ends; (2) value-rational (wertrational), that is, determined ...
Rationale may refer to: An explanation of the basis or fundamental reasons for something Design rationale , an explicit documentation of the reasons behind design decisions
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 ...