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Proof by contradiction:
Assume that human senses are not reliable. However, historically, the development of physics relied on human measurements and perception. Today we enjoy the results of the development of these physical laws. If human senses are not reliable, we wouldn't have. Therefore, human senses are reliable.
End of proof
If human senses are not reliable, with what can we make that judgement. Do you not see the absurdity or the self-contradiction?
If a person is deemed reliable, does that mean that he could be trusted all the time?
No. Oxford dictionary:
No, our senses are not infallible.
Philosophers like René Descartes argued that our senses could sometimes deceive us (e.g., optical illusions, hallucinations). However, these exceptions do not negate the overall reliability of our senses as tools for perceiving reality.
Assume that human senses are not reliable. However, historically, the development of physics relied on human measurements and perception. Today we enjoy the results of the development of these physical laws. If human senses are not reliable, we wouldn't have. Therefore, human senses are reliable.
End of proof
If human senses are not reliable, with what can we make that judgement. Do you not see the absurdity or the self-contradiction?
If a person is deemed reliable, does that mean that he could be trusted all the time?
No. Oxford dictionary:
- that can be trusted to do something well; that you can rely on
- that is likely to be correct or true
No, our senses are not infallible.
Philosophers like René Descartes argued that our senses could sometimes deceive us (e.g., optical illusions, hallucinations). However, these exceptions do not negate the overall reliability of our senses as tools for perceiving reality.
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