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What is Descartes' "cogito" argument?

In his search for unassailable knowledge, Descartes reaches in his first Meditation a hurdle in the form of his deceiving demon thought experiment. The demon Descartes imagines is one who deceives him about ...
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Answered by Ryan A. • Philosophy tutor
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N = 2A + B. A is a two-digit square number. B is a two-digit cube number. What is the smallest possible value of N?

A is a 2-digit square number. In order to find the smallest N number we want to find the smallest possible 2-digit sqaure number. To sqaure a number means to multiply this number by itself, e.g. the square n...
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Answered by Silvia K. • Maths tutor
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Describe and explain the trend in reactivity of Group 2 elements with chlorine as the group is descended?

As group 2 in the periodic table comprises of metals, the reactivity of group 2 elements towards chlorine increases when working our way down the group 2 metals. This is compared to non-metals when the react...
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Answered by Silvia K. • Chemistry tutor
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what is the protestant ethic and the spirit of capitalism?

The protestant ethic and the spirit of capitalism is a theory produced by interactionist Max Weber. Weber studied a group of Calvinist protestants and their ascetic lifestyle. Calvinists believe in a thing c...
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Answered by Lucy B. • Sociology tutor
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what is the difference between the signifier and the signified?

The signifier and the signified are terms in media which refer to semiotic coding. The signifier is the object, the word, the image or action. the signified is the concept behind the object that is being rep...
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