Rationalism senses. For instance, his famous dictum, "cogito ergo sum" or "I think, therefore I am", is a conclusion reached "a priori" i.e., prior to any kind of experience on the matter. The simple meaning is that doubting one's existence, in and of itself, proves that an "I" exists to do the thinking. In other words, doubting one's own doubting is absurd. This was, for Descartes, an irrefutable principle upon which to ground all forms of other knowledge. Descartes posited a metaphysical dualism, distinguishing between the substances of the human body (""res extensa"") and the mind or soul (""res cogitans""). This
Fuzzy Ergo Sum he is a fan of Piper, and he’s also a good enough writer to pull off the right mix of homage and originality." However, several reviewers objected to the lack of any warning on the cover that this book ends on a cliffhanger, making the story incomplete. Fuzzy Ergo Sum Fuzzy Ergo Sum is a science fiction novel written during 2006-2009 by Wolfgang Diehr as a sequel to H. Beam Piper's Fuzzy trilogy: "Little Fuzzy", "Fuzzy Sapiens", and "Fuzzies and Other People". The trilogy concerns the discovery of a primitive species of small, childlike but sapient furry creatures on Zarathustra,