Gamma Graph

Keyword: Gamma Graph


Article in Journal | Posted 09/08/2018
Ma, Minghui, Pietarinen, Ahti-Veikko (2018). Gamma graph calculi for modal logics
We describe Peirce’s 1903 system of modal gamma graphs, its transformation rules of inference, and the interpretation of the broken-cut modal operator. We show that Peirce proposed the normality rule...
Manuscript | Posted 08/01/2015
Peirce, Charles S. (1903). Lecture 5,. Vol. 2. MS [R] 470

Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 76-158.
At the beginning CSP offers the following plan for his lecture series: “1. What makes a reasoning sound, 2....

Manuscript | Posted 08/01/2015
Peirce, Charles S. (1903). CSP's Lowell Lectures of 1903. Introduction to Lecture 5. MS [R] 468

Robin Catalogue:
A. MS., notebook, n.p., December 4, 1903, pp. 1-9.
Gamma part of graphs continued (but quickly abandoned). Graphs of logical principles. Beta part.

Manuscript | Posted 08/01/2015
Peirce, Charles S. (1903). C. S . Peirce's Lowell Lectures for 1903. Lecture 4.. MS [R] 467

Robin Catalogue:
467.C. S . Peirce’s Lowell Lectures for 1903. Lecture 4.
A. MS., 2 notebooks, G-1903-2a, pp. 1-96.
Two volumes comprise the fourth lecture, with the first...

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....