/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: yanniskaterelos https://cdn.slidesharecdn.com/profile-photo-yanniskaterelos-48x48.jpg?cb=1523682452 "God exists since mathematics is consistent, and the Devil exists since we cannot prove it." André Weil