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Archive for November, 2008



Of Ghost Traps and Wrist Watches


 

Vitamin C under the microscope
Ghost traps are very useful devices – they can be used to catch evil spirits. What? You say that this does not make sense because ghosts do not exist? You say that ghosts are a product of our imagination? Well… do you believe in time? Could it not be that time is a product of our imagination as well?

A few years ago I had the opportunity to visit a cultural exhibition. There were all sorts of interesting exhibits, ranging from art work to the local food… and of course there were also rooms filled with religious objects, handicrafts, clothing etc. I also remember the nice photographs of the landscape that were on display. For the purpose of this episode, the country is of no importance. We were a small group of approximately 10 visitors and we had one tour guide for the museum.
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Three Different Types of Truth


 

Chess board
Here I will explain the differences between the Correspondence Theory of truth, the Coherence Theory and the Pragmatic Theory.

What is truth? This is an interesting but also difficult question to answer. It is possible to distinguish several different definitions or approaches of truth. Here are three of them.

  • Correspondence Theory of Truth: This theory states that a statement (a “proposition”) is true if it corresponds to (or reflects) reality. If somebody states “It is raining” (the proposition) then it is true only if it is really raining outside (reality). The interesting question is now: “What is reality”? We know that senses can deceive us. So how is reality really like? And of course we have to assume that something like reality really does exist and is not simply a product of our mind.
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