Descartes work was centered on the issues that challenge one’s ability to be certain about something. His path to establish certainty begins a state of doubt. It is this doubt that prompts him to choose to demolish all the knowledge he had in the past (Descartes 87). He will then start afresh through testing the validity of things before being certain of their existence. He searches to establish a foundation of philosophy that cannot be shaken. This is because much of the knowledge he obtained in the past was through senses that at times are deceptive. In this he highlights, it is somehow difficult to distinguish when one is asleep and when awake. He majors on meditation, which is regarded as a philosophical classic. However, he provocatively pursues the issues to do with these important matters.
Provocatively, Moore challenges the argument concerning ones inability to know whether he is dreaming. In the logical inversion of Descartes argument, Moore argues that, if one knows not that he is dreaming, one knows not that he standing. Additionally, people is unsure of his standing and realize that he is not hallucinating, (Moore 30). This is logical since one can only dream when asleep. Additionally, one can be dreaming or think he is standing and in actual sense, he is standing. This is the only case where dreaming and thinking to standing and standing at the same time is consistent. Moore’s concern on external world’s existence is evident. Given the reality, it is impractical to prove its existence. ...Show more