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The equilibrium price and quantity within a market for a good can be found at the intersection of the supply and demand curves. Therefore, we need to use a mathematical method to find the P and Q by equating...

iPhones and Samsung phones can be considered close substitutes, i.e. if the price of one increases, consumers may wish to switch to the cheaper alternative. This means the demand for the substitute will rise...

Reductionism is when complex behaviour is reduced to just one or two factors. For example, Behaviourism reduces complex learning down to just stimulus-response (e.g. classical conditioning), and the Biologic...

Finally, the third way of Aquinas’ five ways is the proof of God’s existence from contingency, which argues that God is a necessary being. Within this argument, Aquinas refers to contingent and necessary bei...

Direct realism (or naïve realism) as a theory of perception claims that what we perceive are real objects and their properties, and that these objects exist without even minds to perceive them. This often se...