Descartes: Doubt and Certainty

Quiz Content

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. Descartes sets out to examine his opinions in order to __________.

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. Descartes says that, for all he knows, he may be __________.

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. Descartes argues against trusting the senses on the grounds that __________.

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. Descartes seeks __________ as the foundation of knowledge.

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. Epistemology is the philosophical study of __________.

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. In order to know a proposition, you must believe, it must be __________, and you must be __________ in believing it.

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. A priori knowledge is knowledge gained __________.

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. Those who believe that through unaided reason we can come to know what the world is like are called __________.

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. __________ is the view that our knowledge of the empirical world comes solely through sense experience.

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. Descartes deepens his doubts at the end of Meditation I by supposing he is being deceived by __________.

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. After using the dream argument to cast doubt on his knowledge of material reality, Descartes extends his skepticism to include knowledge of __________.

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. At the beginning of Meditation II, Descartes arrives at the certainty of __________.

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. Descartes claims to have discovered a first principle for acquiring knowledge according to which all things __________.

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. Descartes argues that he is capable of knowledge because __________.

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. Descartes asserts, "I am, I exist, is necessarily true __________."

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. Descartes says that because it is possible that an evil genius is deceiving him, he can never be sure of anything, including his own existence.

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. According to Descartes, only beliefs that are certain can count as knowledge.

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. For Descartes, the statement "I am, I exist" is necessarily true every time he utters it.

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. In order to establish a firm foundation for knowledge, Descartes sets out to reject all and only his false opinions)

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. Descartes believes that anything conceivable is logically possible.

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. Descartes asserts that God would not deceive him because God is perfect.

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. Although Descartes is able to cast doubt on his knowledge of material reality, he finds the abstract propositions of mathematics impossible to doubt.

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. Descartes's first principle of knowledge is about the clarity and distinctness of his ideas.

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. Descartes thinks that, since God could be deceiving him, God is not all good.

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. According to Descartes, material bodies are ultimately known by an intuition of the mind rather than by the senses.

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