Existential Graph
Manuscript  Posted 08/01/2015 Peirce, Charles S. (1903). C. S . Peirce's Lowell Lectures for 1903. Lecture 4.. MS [R] 467 Robin Catalogue: Gamma Graph, Alpha Graph, Beta Graph, Quincuncial Projection, Logic of Relatives, Quality, Broken Cut, Modal Proposition, Time, Error, Ignorance, Potential, Exact Logic, Augustus De Morgan, George Boole, William Stanley Jevons, Ernst Schröder, Oscar Howard Mitchell, Entitative Graph, Existential Graph


Manuscript  Posted 07/01/2015 Peirce, Charles S. (1903). Useful for 3rd or 4th?. MS [R] 466 Robin Catalogue: 

Article in Journal  Posted 11/11/2014 Pietarinen, AhtiVeikko (2014). Two papers on existential graphs by Charles Peirce The following two articles comprise two sets of Charles Peirce’s manuscripts, “Recent Developments of Existential Graphs and their Consequences for Logic” (MS 498, MS 499, MS 490 & S36, 1906)...


Article in Journal  Posted 28/10/2014 Bellucci, Francesco (2013). Peirce's Continuous Predicates Around 1906, Peirce discovered that the logical analysis of a proposition comes to an end when a “continuous predicate” is found. Continuous predicates are those predicates that cannot be analyzed,...


Manuscript  Posted 28/09/2014 Peirce, Charles S. (1903). Lowell Lectures. 1903. Lecture 3. MS [R] 459 Robin Catalogue: Mathematics, Benjamin Peirce, Science, Natural Classification of Sciences, Mathematical Hypothesis, Applied Mathematics, Pure Mathematics, Boëthius, Philosophy, Quantity, Richard Dedekind, Logic, Mathematical Reasoning, Necessary Reasoning, Existential Graph, Simplest Mathematics, Number, Georg Cantor, Cardinal Number, Ordinal Number, Multitude, Maniness, Posteriority, Ernst Schröder, Bertrand Russell, Alfred North Whitehead, Inclusion of Correlates, Substantive Possibility, Quality, Epistemology, Metaphysics, Psychology, Identity, Relation, Existence, Phenomenology, Phenomenon, Ens Rationis, Essence, Nothing, Nonsense


Manuscript  Posted 24/09/2014 Peirce, Charles S. (1903). Lecture II [R]. MS [R] 455 Robin Catalogue: Necessary Reasoning, Mathematical Reasoning, Universe, Universe of Discourse, Graph, Existential Graph, Scribed Sign, Graphreplica, Conditional Proposition De Inesse, Scroll, Enclosure, Place of Cut, Area of Cut, Permissible Transformation, Alphapermissible Transformation, Rule of Erasure and Insertion, Rule of Iteration and Deiteration, Rule of the Double Cut, Modus Ponens, Alpha Graph, Beta Graph, Proper Name, Selective, Sheet of Assertion, Blank, Rheme, Rhema, Monad, Dyad, Triad, Medad, Spot, Lexis, Hook, Line of Identity, Bridge, Illative Transformation, Ligature


Manuscript  Posted 23/09/2014 Peirce, Charles S. (1903). Lectures on Logic, to be delivered at the Lowell Institute. Winter of 19031904. Lecture I. MS [R] 454 Robin Catalogue: 

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


Manuscript  Posted 21/09/2014 Peirce, Charles S. (190506). Analysis of some Demonstrations concerning definite Positive Integers. MS [R] 70 Robin Catalogue: 

Manuscript  Posted 28/08/2014 Peirce, Charles S. (1903 [c.]). On Dyadics: the Simplest Possible Mathematics. MS [R] 3 A. MS., n.p., [c.1903?], pp. s2, incomplete. 

Manuscript  Posted 28/08/2014 Peirce, Charles S. (1903 [c.]). On the Simplest Branch of Mathematics. MS [R] 2 A. MS., n.p., [c.1903?], pp. 12; 15, incomplete, with an alternative p. 5. 

Monograph  Posted 01/08/2014 Pietarinen, AhtiVeikko (2006). Signs of Logic: Peircean Themes on the Philosophy of Language, Games, and Communication 

Monograph  Posted 30/04/2014 Zalamea, Fernando (2012). Peirce’s Logic of Continuity: A Conceptual and Mathematical Approach Peirce’s logic of continuity is explored from a double perspective: (i) Peirce’s original understanding of the continuum, alternative to Cantor’s analytical Real line, (ii) Peirce’s original... 

Link  Posted 14/04/2014 Peirce's Existential Graphs  Readings and Links Existential graph resources compiled by Frithjof Dau. Last updated in 2007. 

Encyclopedia Article  Posted 13/10/2013 Pietarinen, AhtiVeikko: "The Endoporeutic Method" Endoporeutic method (endon: ‘within’; poros: ‘passage, pore’) exemplifies the fundamental principle concerning the direction of the flow of interpretation in Peirce’s diagrammatic logic of... 

Manuscript  Posted 18/08/2013 Peirce, Charles S. (1906 [c.]). On Signs [R]. MS [R] 793 From the Robin Catalogue: Sign, Medium of Communication, Form, Quasimind, Medium, Object, Interpretant, Existential Graph, Active Correlate, Passive Correlate, Tertian, Secundan, Priman, Real Object, Immediate Object, Intended Interpretant, Actual Interpretant, Reflex Interpretant, Logic, Material Characters, Speculative Grammar, Speculative Rhetoric, Logical Critic, Utterance, Habit of Action, Growth of Ideapotentiality, Dicisign, Proposition, Critic, Methodeutic


Dictionary Entry  Posted 07/04/2013 Quote from "Logical Tracts. No. 2. On Existential Graphs, Euler's Diagrams, and Logical Algebra" An existential graph is a logical graph governed by a. system of representation founded upon the idea that the sheet upon which it is written, as well as every... 

Dictionary Entry  Posted 07/04/2013 Quote from "Logical Tracts. No. 1. On Existential Graphs" An existential graph is a logical graph constructed upon a perfectly consistent system of representation such that any unenclosed partial graph shall asserts... 

Manuscript  Posted 07/04/2013 Peirce, Charles S. (1903 [c.]). Logical Tracts. No. 1. On Existential Graphs. MS [R] 491 From the Robin Catalogue: Representation, Sign, Representamen, Icon, Index, Symbol, Informant Index, Proposition, Photograph, Identifying Index, Term, Argument, Graph, Entire Graph, Partial Graph, Pseudograph, Logical Graph, Existential Graph, Sheet of Assertion, Rhema, Onoma, Spot, Hook, Medad, Monad, Dyad, Triad, Polyad, Scroll, Defender, Opponent, Pure Icon, Language, Artificial Sign


Manuscript  Posted 12/03/2013 Peirce, Charles S. (1911). A Logical Criticism of the Articles of Religious Belief. MS [R] 856 From the Robin Catalogue: 