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Proof by induction is a powerful proof technique that can be used to prove a certain property and is a common question on the IB exams. Consider for instance the problem "Prove that sinx + sin3x +......
The ABO blood type system relies upon the co-dominant alleles IA and IB, which are expressed any time they are present and are dominant over i which is recessive. If someone has bloo...
The derivative of a function in a point is, by definition, the slope of the tangent line to the function in that point. In a point that is a maximum or a minimum, one can easily picture that the tangent i...
Descartes argues that there is a fundamental essential difference mind and body. The mind is characterized as a res cogitans: it is that which thinks, its characteristic action is thought, it has no exten...
In Spanish there are no proper modal verbs, but we use what we call 'perífrasis verbales modales'. These are constructions involving an auxiliary verb conjugated and a main verb in a non-conjugated form (...
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