Line of Identity

Keyword: Line of Identity


Dictionary Entry | Posted 18/03/2018
Quote from "A Syllabus of Certain Topics of Logic"

The line of identity is a Graph any replica of which, also called a line of identity, is a heavy line with two ends and without other topical singularity (such as...

Dictionary Entry | Posted 18/03/2018
Quote from "A Syllabus of Certain Topics of Logic"

A heavily marked line without any sort of interruption (though its extremity may coincide with a point otherwise marked) shall, under the name of a line of identity...

Dictionary Entry | Posted 18/03/2018
Quote from "Existential Graphs"

A heavily marked uninterrupted line on the sheet of assertion, having two extremities and no branching shall be called a line of identity and shall be a graph...

Manuscript | Posted 18/03/2018
Peirce, Charles S. (1903-09-15). Existential Graphs. MS [R] S28
Dictionary Entry | Posted 18/03/2018
Quote from "Graphs, Little Account [R]"

A heavily marked continuous line on the sheet of assertion shall assert that the individuals denoted by its two extremities are identical. [—]

Such a line is...

Manuscript | Posted 18/03/2018
Peirce, Charles S. (1903). Graphs, Little Account [R]. MS [R] S27
Manuscript | Posted 24/08/2017
Peirce, Charles S. (1906 [c.]). On the System of Existential Graphs Considered as an Instrument for the Investigation of Logic. MS [R] 499(s)
Manuscript | Posted 24/09/2014
Peirce, Charles S. (1903). Lecture II [R]. MS [R] 455

Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 1-31.
The first and third parts of an introduction to the alpha and beta parts of the system of existential graphs; MS. 456 is...

Manuscript | Posted 23/09/2014
Peirce, Charles S. (1903). Lectures on Logic, to be delivered at the Lowell Institute. Winter of 1903-1904. Lecture I. MS [R] 454

Robin Catalogue:
A. MS., notebook, n.p., 1903, pp. 1-26.
Existential graphs as a system for expressing any assertion with precision is not intended to facilitate but to analyze...

Manuscript | Posted 22/09/2014
Peirce, Charles S. (1903). Lecture I [R]. MS [R] 450

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...

Manuscript | Posted 25/11/2012
Peirce, Charles S. (1908). The Bed-Rock Beneath Pragmaticism. MS [R] 300

From the Robin Catalogue:
A. MS., G-1905-1e, pp. 1-65; 33-40; 38-41; 37-38; 40-43.7; plus 64 pp. of fragments running brokenly from p. 1 to p. 60.
This was to have...