Edited by the staff of the PEIRCE EDITION PROJECT, Indiana University at Indianapolis: Nathan Houser, General Editor; Jonathan R. Eller, Textual Editor; André De Tienne and Albert C. Lewis, Associate Editors; Cornelis de Waal, Visiting Assistant Editor; D. Bront Davis, Technical Editor; Leah Cummins and Cathy L. Clark, Editorial Associates.

• Selections from "The Art of Reasoning" - a correspondence course in logic (1887); on science and immortality (1887); pendulum observations - report on Greely Expedition (1887); logical machines (1887); the Peirce-Gurney dispute over "Phantasms of the Living"; a guess at the riddle; trichotomic (1888); reflections on the logic of science; report on gravity at the Smithsonian, Ann Arbor, Madison, and Cornell (1889); logic of number c. 1889); the formal classification of relations (c. 1889); sketch of a new philosophy (1890); Herbert Spencer's philosophy - is it unscientific and unsound? (1890); outside wants more light (1890); logic and spiritualism (1890); six lectures of hints toward a theory of the universe (1890); notes on the question of the existence of an external world (c. 1890).

Edited by the staff of the PEIRCE EDITION PROJECT, Indiana University at Indianapolis: Nathan Houser, General Editor; Jonathan R. Eller, Textual Editor; André De Tienne and Albert C. Lewis, Associate Editors; Cornelis de Waal, Visiting Assistant Editor; D. Bront Davis, Technical Editor; Leah Cummins and Cathy L. Clark, Editorial Associates.

• Selections from "The Art of Reasoning" - a correspondence course in logic (1887); on science and immortality (1887); pendulum observations - report on Greely Expedition (1887); logical machines (1887); the Peirce-Gurney dispute over "Phantasms of the Living"; a guess at the riddle; trichotomic (1888); reflections on the logic of science; report on gravity at the Smithsonian, Ann Arbor, Madison, and Cornell (1889); logic of number c. 1889); the formal classification of relations (c. 1889); sketch of a new philosophy (1890); Herbert Spencer's philosophy - is it unscientific and unsound? (1890); outside wants more light (1890); logic and spiritualism (1890); six lectures of hints toward a theory of the universe (1890); notes on the question of the existence of an external world (c. 1890).

Edited by the staff of the PEIRCE EDITION PROJECT, Indiana University at Indianapolis: Nathan Houser, General Editor; Jonathan R. Eller, Textual Editor; André De Tienne and Albert C. Lewis, Associate Editors; Cornelis de Waal, Visiting Assistant Editor; D. Bront Davis, Technical Editor; Leah Cummins and Cathy L. Clark, Editorial Associates.

• Selections from "The Art of Reasoning" - a correspondence course in logic (1887); on science and immortality (1887); pendulum observations - report on Greely Expedition (1887); logical machines (1887); the Peirce-Gurney dispute over "Phantasms of the Living"; a guess at the riddle; trichotomic (1888); reflections on the logic of science; report on gravity at the Smithsonian, Ann Arbor, Madison, and Cornell (1889); logic of number c. 1889); the formal classification of relations (c. 1889); sketch of a new philosophy (1890); Herbert Spencer's philosophy - is it unscientific and unsound? (1890); outside wants more light (1890); logic and spiritualism (1890); six lectures of hints toward a theory of the universe (1890); notes on the question of the existence of an external world (c. 1890).