@unpublished{Peirce1903,
author = "Charles S. Peirce",
title = "{Lecture I [R]. MS [R] 450}",
year = 1903,
abstract = "{Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 1-26.
Improvement in reasoning requires, first of all, a study of deduction. For this, an unambiguous and simple system of expression is needed. The system in which reasoning is broken up into its smallest fragments by means of diagrams is the system of existential graphs, which CSP goes on to develop in terms of fourteen conventions.
}",
url = "http://www.commens.org/bibliography/manuscript/peirce-charles-s-1903-graphs-little-account-r-ms-r-s27",
keywords = "Necessary Deduction, Expression, Analysis of Reasonings, Existential Graph, Conventional Sign, Symbol, Replica, Natural Symbol, Graphist, Interpreter, Universe of Discourse, Augustus De Morgan, Exact Logic, Grapheus, Sheet of Assent, Total Graph, Sheet of Assertion, Proposition De Inesse, Enclosure, Scroll, Sep, Close, Line of Identity, Dot, Rhema, Spot, Hook, Categorical Proposition, Pseudograph, Selective, Abstraction",
language = "English",
note = "From the Commens Bibliography | \url{http://www.commens.org/bibliography/manuscript/peirce-charles-s-1903-lecture-i-r-ms-r-450}"
}
