answer questions 1 and 2.

1.Some of our beliefs–for example, that two plus three equals five–are based on reasoning, not sensation. Descartes argues that even arithmetic calculations can be doubted. What is his argument?

2.How do you know you are not now dreaming?

respond to classmates answer to the following question. do you agree/disagree and why? and further questions to their answer?

3.What is Descartes’ goal? Explain

– Descartes goal was to find “unshakeable truths”. Unshakable truth means truths that are in the very core of life and doubt cannot shy them away. Descartes was an a mission to find unshakeable truths because there was so much that can be doubted in this world. Especially when it comes to memory and our memory can be faulty and lead to false representations. Descartes doubted everything he knew just so he could find “indubitable truths”. Once he found those truths, he was able to base his life on truths that stand and is not faulty truths.