... existence for Descartes, for it does not depend up on the senses as previously thought. He had come to realise whilst sleeping that there were many things that he appeared to perceive through the senses, which he afterwards realised he did not perceive through the senses at all. This thing was 'thinking'. Thus this is inseparable from 'I'. The fact that 'I think' does not make one exist but as long as 'I am thinking' because as soon as one stops thinking one ceases to exist. Despite being unable to provide any characteristics of 'I' Descartes believes he has established that he is at least 'something', which is an improvement from the First Meditation. After coming to this conclusion, Descartes is confused as to why he has a 'more distinct grasp of things which I realise are doubtful...than I have of that which is true'. In light of such analysis Descartes ...

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