If the medium is the message
then the blank slate is the innate idea.

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Charles Sanders Peirce, George Spencer Brown, and Me • 4
• inquiryintoinquiry.com/2017/08/06/c...

Two things impacting my studies of Peirce and Spencer Brown over the years were my parallel studies in mathematics and computer science.

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Charles Sanders Peirce, George Spencer Brown, and Me • 1
• inquiryintoinquiry.com/2017/07/20/c...

It’s almost 50 years now since I first encountered the volumes of Peirce’s Collected Papers in the math library at Michigan State …

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Logic Syllabus - OeisWiki

Logic Syllabus

This page serves as a focal node for a collection of related resources.

#Logic #LogicalGraphs #DifferentialLogic
#RelationTheory #Semiotics #SignRelations
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• oeis.org/wiki/Logic_S...

Differential Logic • Overview
• inquiryintoinquiry.com/2024/11/25/d...

#Peirce #Logic #LogicalGraphs #DifferentialLogic #Semiotics

Differential Propositional Calculus • 22 A One‑Dimensional Universe (cont.) The first order differential extension of $latex \mathcal{X}&fg=000000$ is $latex \mathrm{E}\mathcal{X} = \{ x_1, \mathrm{d}x_1 \} = \{ A, \mathrm{d}A \…

Differential Propositional Calculus • 22
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#Peirce #Logic #LogicalGraphs #DifferentialLogic #Cybernetics
#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Propositional Calculus • 21
• inquiryintoinquiry.com/2024/12/18/d...

#Peirce #Logic #LogicalGraphs #DifferentialLogic #Cybernetics
#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Propositional Calculus • 20
• inquiryintoinquiry.com/2024/12/18/d...

#Peirce #Logic #LogicalGraphs #DifferentialLogic #Cybernetics
#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Propositional Calculus • 19
• inquiryintoinquiry.com/2024/12/17/d...

#Peirce #Logic #LogicalGraphs #DifferentialLogic #Cybernetics
#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Propositional Calculus • 18 The Extended Universe of Discourse The extended basis $latex \mathrm{E}\mathcal{A}&fg=000000$ of a universe of discourse $latex [\mathcal{A}]&fg=000000$ is formed by taking the initial basi…

Differential Propositional Calculus • 18
• inquiryintoinquiry.com/2024/12/16/d...

#Peirce #Logic #LogicalGraphs #DifferentialLogic #Cybernetics
#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Propositional Calculus • 17
• inquiryintoinquiry.com/2024/12/15/d...

#Peirce #Logic #LogicalGraphs #DifferentialLogic #Cybernetics
#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Propositional Calculus • 16
• inquiryintoinquiry.com/2024/12/14/d...

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#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Differential Extension of Propositional Calculus —

This much preparation is enough to begin introducing my subject, if I excuse myself from giving full arguments for my definitional choices until a later stage.

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Differential Propositional Calculus • 14 Differential Extensions Table 11 summarizes the notations needed to describe the first order differential extensions of propositional calculi in a systematic manner. $latex \text{Table 11. Dif…

Differential Propositional Calculus • 14
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#PropositionalCalculus #DifferentialPropositionalCalculus
#DiscreteDynamicalSystems #QualitativeDynamics
#BooleanFunctions #BooleanDifferenceCalculus

Logic Syllabus
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Survey of Differential Logic
• inquiryintoinquiry.com/2024/02/25/s...

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#BooleanFunctions #BooleanDifferenceCalculus
#PropositionalCalculus #DifferentialPropositionalCalculus
#QualitativeDynamics

Differential Propositional Calculus • 12 Special Classes of Propositions (concl.) Last and literally least in extent, we examine the family of singular propositions in a 3‑dimensional universe of discourse. In our model of propositi…

Differential Propositional Calculus • 12
• inquiryintoinquiry.com/2024/12/10/d...

Special Classes of Propositions (concl.)

Last and literally least in extent, we examine the family of singular propositions in a 3‑dimensional universe of discourse.

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Differential Propositional Calculus • 9
• inquiryintoinquiry.com/2024/12/08/d...

Special Classes of Propositions —

The full set of propositions f : A → B contains a number of smaller classes deserving of special attention.

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Differential Propositional Calculus • 8
• inquiryintoinquiry.com/2024/12/07/d...

Before moving on, let's unpack some of the assumptions, conventions, and implications involved in the array of concepts and notations introduced above.

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