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Cartesian doubt
Cartesian doubt is a form of methodological skepticism associated with the writings and methodology of René Descartes (31 March 1596 – 11 February 1650). Cartesian doubt is also known as Cartesian skepticism, methodic doubt, methodological skepticism, universal doubt, systematic doubt, or hyperbolic doubt.
Cartesian doubt is a systematic process of being skeptical about (or doubting) the truth of one's beliefs, which has become a characteristic method in philosophy. Additionally, Descartes' method has been seen by many as the root of the modern scientific method. This method of doubt was largely popularized in Western philosophy by René Descartes, who sought to doubt the truth of all beliefs in order to determine which he could be certain were true. It is the basis for Descartes' statement, "Cogito ergo sum" (I think, therefore I am). A fuller version of his phrase: "dubito ergo cogito, cogito ergo sum" translates to "I doubt therefore I think, I think therefore I exist." Sum translated as "I exist" (per various Latin to English dictionaries) presents a much larger and clearer meaning to the phrase.
Methodological skepticism is distinguished from philosophical skepticism in that methodological skepticism is an approach that subjects all knowledge claims to scrutiny with the goal of sorting out true from false claims, whereas philosophical skepticism is an approach that questions the possibility of certain knowledge.
Cartesian doubt is methodological. It uses doubt as a route to certain knowledge by identifying what can't be doubted. The fallibility of sense data in particular is a subject of Cartesian doubt.
There are several interpretations as to the objective of Descartes' skepticism. Prominent among these is a foundationalist account, which claims that Descartes' skepticism aims to eliminate all belief that it is possible to doubt, thus leaving only basic beliefs (also known as foundational beliefs). From these indubitable basic beliefs, Descartes then attempts to derive further knowledge. It's an archetypal and significant example that epitomizes the Continental Rational schools of philosophy.
Mario Bunge argues that methodological skepticism presupposes that scientific theories and methods satisfy certain philosophical requirements: idealism, materialism, realism, rationalism, empiricism, and systemics, that the data and hypotheses of science constitute a system.
Descartes' method of hyperbolic doubt included:
Hyperbolic doubt means having the tendency to doubt, since it is an extreme or exaggerated form of doubt. Knowledge in the Cartesian sense means to know something beyond not merely all reasonable doubt, but all possible doubt. In his Meditations on First Philosophy (1641), Descartes resolved to systematically doubt that any of his beliefs were true, in order to build, from the ground up, a belief system consisting of only certainly true beliefs; his end goal—or at least a major one—was to find an undoubtable basis for the sciences. Consider Descartes' opening lines of the Meditations:
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Cartesian doubt
Cartesian doubt is a form of methodological skepticism associated with the writings and methodology of René Descartes (31 March 1596 – 11 February 1650). Cartesian doubt is also known as Cartesian skepticism, methodic doubt, methodological skepticism, universal doubt, systematic doubt, or hyperbolic doubt.
Cartesian doubt is a systematic process of being skeptical about (or doubting) the truth of one's beliefs, which has become a characteristic method in philosophy. Additionally, Descartes' method has been seen by many as the root of the modern scientific method. This method of doubt was largely popularized in Western philosophy by René Descartes, who sought to doubt the truth of all beliefs in order to determine which he could be certain were true. It is the basis for Descartes' statement, "Cogito ergo sum" (I think, therefore I am). A fuller version of his phrase: "dubito ergo cogito, cogito ergo sum" translates to "I doubt therefore I think, I think therefore I exist." Sum translated as "I exist" (per various Latin to English dictionaries) presents a much larger and clearer meaning to the phrase.
Methodological skepticism is distinguished from philosophical skepticism in that methodological skepticism is an approach that subjects all knowledge claims to scrutiny with the goal of sorting out true from false claims, whereas philosophical skepticism is an approach that questions the possibility of certain knowledge.
Cartesian doubt is methodological. It uses doubt as a route to certain knowledge by identifying what can't be doubted. The fallibility of sense data in particular is a subject of Cartesian doubt.
There are several interpretations as to the objective of Descartes' skepticism. Prominent among these is a foundationalist account, which claims that Descartes' skepticism aims to eliminate all belief that it is possible to doubt, thus leaving only basic beliefs (also known as foundational beliefs). From these indubitable basic beliefs, Descartes then attempts to derive further knowledge. It's an archetypal and significant example that epitomizes the Continental Rational schools of philosophy.
Mario Bunge argues that methodological skepticism presupposes that scientific theories and methods satisfy certain philosophical requirements: idealism, materialism, realism, rationalism, empiricism, and systemics, that the data and hypotheses of science constitute a system.
Descartes' method of hyperbolic doubt included:
Hyperbolic doubt means having the tendency to doubt, since it is an extreme or exaggerated form of doubt. Knowledge in the Cartesian sense means to know something beyond not merely all reasonable doubt, but all possible doubt. In his Meditations on First Philosophy (1641), Descartes resolved to systematically doubt that any of his beliefs were true, in order to build, from the ground up, a belief system consisting of only certainly true beliefs; his end goal—or at least a major one—was to find an undoubtable basis for the sciences. Consider Descartes' opening lines of the Meditations: