What is morally right? What is knowledge? What is rationality? What is science? What is …?

Philosophy tries to answer questions of a very fundamental and general nature, for example “What is morally right?”, “What is knowledge?”, “What is rationality?” and “What is science?”. In addition, philosophy studies issues of a more applied nature, often related to other topics at universities, such as “What makes a mathematical proof correct?”, “May medical personnel ever lie to their patients?” or “What security risks should we accept in a technical system?”.

Philosophy has relevance for all other scientific fields. Both historically and conceptually, it is the trunk of the tree of science, which the other branches of science assume and rest upon.

Philosophical problems are often seen as “eternal questions”, but that does not mean that no progress is made in philosophy, by e.g. showing that a well-established view is more problematic than previously thought, by solving what was previously considered a paradox or by putting forward a new theory that creates a better coherence in a certain system of beliefs.

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