Category Archives: Model Theory

Logical Graphs • Discussion 1

Posted on July 28, 2021 by Jon Awbrey

Re: Laws of Form • John Mingers JM: I find it very frustrating not to be able to draw crosses and expressions within emails or Word documents. Does anyone know of any software or apps that can do this? If not, … Continue reading →

Posted in Amphecks, Animata, Boolean Algebra, Boolean Functions, C.S. Peirce, Cactus Graphs, Constraint Satisfaction Problems, Deduction, Diagrammatic Reasoning, Duality, Equational Inference, Graph Theory, Laws of Form, Logic, Logical Graphs, Mathematics, Minimal Negation Operators, Model Theory, Painted Cacti, Peirce, Proof Theory, Propositional Calculus, Propositional Equation Reasoning Systems, Spencer Brown, Theorem Proving, Visualization | Tagged Amphecks, Animata, Boolean Algebra, Boolean Functions, C.S. Peirce, Cactus Graphs, Constraint Satisfaction Problems, Deduction, Diagrammatic Reasoning, Duality, Equational Inference, Graph Theory, Laws of Form, Logic, Logical Graphs, Mathematics, Minimal Negation Operators, Model Theory, Painted Cacti, Peirce, Proof Theory, Propositional Calculus, Propositional Equation Reasoning Systems, Spencer Brown, Theorem Proving, Visualization | 1 Comment

Animated Logical Graphs • 80

Posted on July 9, 2021 by Jon Awbrey

Re: Category Theory • Chad Nester CN: Re: Categorical Treatments of Existential Graphs Cf: N. Haydon and P. Sobociński • Compositional Diagrammatic First-Order Logic Thanks, Chad, for that extremely nice treatment of Peirce’s existential graphs at the β level, tantamount to … Continue reading →

Animated Logical Graphs • 79

Posted on July 5, 2021 by Jon Awbrey

Re: Category Theory • Henry Story HS: I think in this 2020 Applied Category Theory talk by Rocco Gangle, A Generic Figures Reconstruction of Peirce’s Existential Graphs (Alpha), he is looking at showing how Peirce’s work can be expressed in … Continue reading →

Animated Logical Graphs • 78

Posted on July 4, 2021 by Jon Awbrey

Cf: Category Theory • Jon Awbrey As far as the “animated” part goes, I lost my klutz-friendly animation app in my last platform change and then got immersed in other things, so it may be a while before I get back to … Continue reading →

Animated Logical Graphs • 77

Posted on July 3, 2021 by Jon Awbrey

Cf: Category Theory • Jon Awbrey A place for exploring animated forms of visual inference inspired by the work of C.S. Peirce and Spencer Brown. I opened a topic in the “logic” stream of “category theory.zulipchat” to discuss logical graphs in a … Continue reading →

Animated Logical Graphs • 76

Posted on June 6, 2021 by Jon Awbrey

Re: Richard J. Lipton • The Art Of Math Re: Animated Logical Graphs • (30) • (45) • (57) • (58) • (59) • (60) • (61) • (62) • (63) • (64) • (65) • (66) • (69) • … Continue reading →

Animated Logical Graphs • 75

Posted on May 10, 2021 by Jon Awbrey

Survey of Animated Logical Graphs • 4

Posted on May 1, 2021 by Jon Awbrey

This is a Survey of blog and wiki posts on Logical Graphs, encompassing several families of graph-theoretic structures originally developed by Charles S. Peirce as graphical formal languages or visual styles of syntax amenable to interpretation for logical applications. Beginnings Logical Graphs … Continue reading →

Posted in Amphecks, Animata, Boolean Algebra, Boolean Functions, C.S. Peirce, Cactus Graphs, Computational Complexity, Constraint Satisfaction Problems, Differential Logic, Equational Inference, Graph Theory, Laws of Form, Logic, Logical Graphs, Mathematics, Minimal Negation Operators, Model Theory, Painted Cacti, Peirce, Proof Theory, Propositional Calculus, Propositional Equation Reasoning Systems, Spencer Brown, Theorem Proving, Visualization | Tagged Amphecks, Animata, Boolean Algebra, Boolean Functions, C.S. Peirce, Cactus Graphs, Computational Complexity, Constraint Satisfaction Problems, Differential Logic, Equational Inference, Graph Theory, Laws of Form, Logic, Logical Graphs, Mathematics, Minimal Negation Operators, Model Theory, Painted Cacti, Peirce, Proof Theory, Propositional Calculus, Propositional Equation Reasoning Systems, Spencer Brown, Theorem Proving, Visualization | 33 Comments

Animated Logical Graphs • 74

Posted on April 30, 2021 by Jon Awbrey

Animated Logical Graphs • 73

Posted on April 24, 2021 by Jon Awbrey

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