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Epistemology is the philosophical study of knowledge.Also called theory of knowledge, [a] it examines what knowledge is and what types of knowledge there are. It further investigates the sources of knowledge, like perception, inference, and testimony, to determine how knowledge is created.
Rationalism is a philosophical and epistemological perspective on knowledge that claims, at its most extreme, that reason is the only dependable source of knowledge; moreover, rationalists assert that a priori knowledge is the most effective foundation for knowledge . Empiricism, on the other hand, argues that no knowledge exists prior to ...
Declarative knowledge can be expressed using declarative sentences stored in books. Declarative knowledge is an awareness of facts that can be expressed using declarative sentences. It is also called theoretical knowledge, descriptive knowledge, propositional knowledge, and knowledge-that. It is not restricted to one specific use or purpose and ...
Knowledge-C is something unquestionable whereas Knowledge-E is the knowledge derived from Socrates's elenchus. [107] Thus, Socrates speaks the truth when he says he knows-C something, and he is also truthful when saying he knows-E, for example, that it is evil for someone to disobey his superiors, as he claims in Apology . [ 108 ]
The regress problem is a common issue in relation to the sources of knowledge and the justification they offer. It is based on the idea that beliefs require some kind of reason or evidence to be justified. The problem is that the source of justification may itself be in need of another source of justification.
The Gettier problem, in the field of epistemology, is a landmark philosophical problem concerning the understanding of descriptive knowledge.Attributed to American philosopher Edmund Gettier, Gettier-type counterexamples (called "Gettier-cases") challenge the long-held justified true belief (JTB) account of knowledge.
Knowledge can be produced in many ways. The main source of empirical knowledge is perception, which involves the usage of the senses to learn about the external world. Introspection allows people to learn about their internal mental states and processes. Other sources of knowledge include memory, rational intuition, inference, and testimony.
A priori and a posteriori knowledge – these terms are used with respect to reasoning (epistemology) to distinguish necessary conclusions from first premises.. A priori knowledge or justification – knowledge that is independent of experience, as with mathematics, tautologies ("All bachelors are unmarried"), and deduction from pure reason (e.g., ontological proofs).