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Knowledge
Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is often characterized as Truth, true belief that is distinct from opinion or guesswork by virtue of Justification (epistemology), justification. While there is wide agreement among philosophers that propositional knowledge is a form of true belief, many controversies focus on justification. This includes questions like how to understand justification, whether it is needed at all, and whether something else besides it is needed. These controversies intensified in the latter half of the 20th century due to a series of Gettier problem#Gettier's two original counterexamples, thought experiments called Gettier cases that provoked alternative definitions. Knowledge can be produced in many ways. The main source of empirical knowledge is perception, wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tetradrachm Athens 480-420BC MBA Lyon
The tetradrachm ( grc-gre, τετράδραχμον, tetrádrachmon) was a large silver coin that originated in Ancient Greece. It was nominally equivalent to four Greek drachma, drachmae. Over time the tetradrachm effectively became the standard coin of the Classical Antiquity, Antiquity, spreading well beyond the borders of the Greek World. As a result, tetradrachms were minted in vast quantities by various polities in many weight and finesse standards, though the Athens-derived ''Attic standard'' of about 17.2 grams was the most common. Because of their large size, tetradrachms were often used by various states or rulers to advertise themselves or to deliver political messages. Popularity of the tetradrachm outlived the political independence of the Greeks and it remained in wide circulation in the Mediterranean up until Crisis of the Third Century, while debased varieties persisted in India and Central Asia into early Middle Ages. Due to their often high artistic level tetra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
