This edition presents the full panorama of Peirce's graphical logic of existential graphs, which he took to be his most significant contribution to human thought, calling it the "Logic of the Future". The first volume tells the story of Peirce’s 1896 discovery of the logic of Existential Graphs and its wider impact to the theory of diagrammatic reasoning. It also contains Pierce's "Theory and Application of Existential Graphs" from 1903. weiterlesen