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
ERGO Group each. The shares of ERGO Group AG are listed on the stock exchange under WKN 841852 and ISIN DE0008418526. 94.7% (since November 25, 2009 99.69% with the purpose to raise the participation to 100% by means of the so-called squeeze out) of the shares belong to Munich Re. ERGO Group ERGO (ERGO Group) is a group of insurance companies owned by Munich Re. ERGO is one of the largest insurance groups in Europe. It operates in over 30 countries, especially in Europe and Asia. In Europe, ERGO claims to be number 1 in the health and legal expenses insurance segments,