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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 bei...

Hyponyms and hypernyms are both terms that come under the lexis/semantics section of English language. A hypernym describes a more broad term, for example cutlery, or dog. A hyponym is a more specialis...

Ser is used in reference to things that are permanent, or unchanging - eg. Soy de Inglaterra. You can't change where you're from, so you need to use ser. Estar is used to describe temporary thing...

First of all let's think about what this really means:

Homogeneous means that all term in the differential equation contain the dependent variable(in most cases y). The dependent variable...

If we have a function f(x), taking its derivative would obtain a new function f'(x). However, now this second function f'(x) defines the tangent along any point on the original graph of f(x). This is u...