Keyword: Hardness

Manuscript | Posted 25/11/2014
Peirce, Charles S. (1903). C.S.P.'s Lowell Lectures of 1903 2nd Draught of 3rd Lecture. MS [R] 462

Robin Catalogue:
A. MS., n.p., October 5, 1903, pp. 2-88 (pagination by even numbers only), incomplete.
Alpha part of existential graphs: permissible operations. The Beta part....

Manuscript | Posted 22/09/2014
Peirce, Charles S. (1903). Lecture I [R]. MS [R] 449

Robin Catalogue:
A. MS., notebook, G-1903-2a, pp. 37-61.
Published, in part, as 1.611-615 and 8.176 (except 176n3) (pp. 37-49 and 51-53). Unpublished: criticism of Sigwart and...