nLab
Jon Awbrey

• JA @ WordPress
• JA @ MyWikiBiz
• JA @ OEIS Wiki
• JA @ PlanetMath
• JA @ PlanetPhysics
• JA @ ProofWiki

Algebra

• multigrade operator
• parametric operator

Arithmetic

• riffs & rotes

Combinatorics

• graph theory

Computation

• propositions as types in combinatory algebra

Inquiry

• inquiry
• inquiry driven system
• Peirce's logic of information
• semiotic information

Logic

• boolean domain
• boolean function
• boolean-valued function
• cactus language
• continuous predicate
• differential logic
• differential propositional calculus
• higher order proposition
• hypostatic abstraction
• logical graph
• minimal negation operator
• Peirce's law
• praeclarum theorema
• propositional calculus
• propositional equation reasoning system
• relation theory
• semiotic equivalence relation
• sign relation
• triadic relation
• universe of discourse

Miscellaneous

• Charles Sanders Peirce
• precursors
• syntax, semantics, pragmatics

Utilities

• Symbol Sandbox

Gallery

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