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Is there any knowledge in the world which is so certain than no reasonable man could doubt it? (B.Russell).

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"Is there any knowledge in the world which is so certain than no reasonable man could doubt it?" (B.Russell). Can anyone really define knowledge? For Plato knowledge had to be justified, true and believed. However, believing is not the same as knowing; believing is thinking something is true. Knowledge is obtained from different sources, varying from senses, introspection and logic; however all of these can be questioned and believed to be untrustworthy and doubtful. Is there any knowledge or source of knowledge completely reliable and true? To claim to know something is not a very clear statement as there are different types of knowledge. "I know how to swim", this statement is clearly the ability to do something. This type of knowledge can either be learnt or it can be gained known by instinct as can be seen with animals. Another way of knowing something is by acquaintance, "I know Acapulco", and this knowledge is obtained by being in this place and actually seeing it. ...read more.


Many conclusions were drawn out of this premise the problem is that is was never proved however when taken it to be true many other conclusions can be made and in this case this conclusions helped the fields of geometry and engineering. Sense-perception is an example of knowledge learnt through experience, common examples of this are: "I know my eyes are blue", "I know the floor is cold". The common idea is that humans have five senses, there are five different ways in which we perceive the world however there are more senses: sense of balance and temperature. We rely on senses to perceive the world but never taking into account its limitations. Sight and sound are both waves but we only have a range which we can see or hear, we see light between 4x1014 Hz and 9x1014 Hz, and sounds between 20 Hz and 20 000 Hz, however there are other frequencies which can be observed in the electromagnetic spectrum. ...read more.


It is clear memory plays a big role of our source for knowledge however it is not convincing as it has many faults which we may not be aware of. Intuition is probably the most disbelieving source of knowledge, it is way of supporting claims however many people recur to their intuition when there is no knowledge to support the belief. "My intuition says north is that way", this sort of statement is a guess. Any claim obtained by intuition is very weak and is most probably wrong. Knowledge which is said to be obtained by intuition is very uncertain as it is in most cases just a guess. All sources of knowledge are distrustful, all knowledge is obtained either through reason or experience but neither of them are really reliable. Even the sources we rely on the most, our senses, trick us and play games. If everything we believe can de doubted, do we really know anything? 997 Words 1 Worburton.N. Philosophy the Basics. Routledge 2000. p53. ?? ?? ?? ?? ...read more.

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