Charles S. Peirce
Notes on Logic Book

MS 240 (Robin 3960: Writings 3, 108
Summer 1873

        Show that passage from doubt to belief is essential to cognition or something equivalent so that metaphysics may be deduced from cognition simply.

        Let us suppose it is shown that one representative state of things leads to another as its consequence (2nd) & this continuously.

        Then what will happen will depend on the relations of things & therefore besides fixed relations there must be variable relations having continuous measure & there must also be continuously variable potential relations upon which the change in the actual relations depends.