User:Ascii/Definitions (by Meaning)

Metaconcepts

 * Definition:Object
 * Definition:Symbol
 * Definition:Unique
 * Definition:Constant
 * Definition:Variable

Languages to Logic

 * Definition:Statement
 * Definition:Formal Language
 * Definition:Language of Propositional Logic/Formal Grammar/WFF
 * Definition:True
 * Definition:Conditional
 * Definition:Iff

Set Theory

 * Definition:Set
 * Definition:Element
 * Definition:Subset
 * Definition:Empty Set
 * Definition:Non-Empty Set
 * Definition:Power Set
 * Definition:Finite Set
 * Definition:Infinite Set
 * Definition:Countable Set
 * Definition:Class (Class Theory)


 * Definition:Set Union
 * Definition:Ordered Pair
 * Definition:Cartesian Product
 * Definition:Ordered Tuple
 * Definition:Relation
 * Definition:Ordered Set
 * Definition:Ordering

Mappings

 * Definition:Mapping
 * Definition:Domain (Set Theory)/Mapping
 * Definition:Codomain (Set Theory)/Mapping
 * Definition:Image (Set Theory)/Mapping/Mapping
 * Definition:Function
 * Definition:Injection
 * Definition:Bijection
 * Definition:Sequence
 * Definition:Finite Sequence

Algebraic Structures

 * Definition:Operation/Binary Operation
 * Definition:Identity (Abstract Algebra)/Two-Sided Identity
 * Definition:Algebraic Structure
 * Definition:Closure (Abstract Algebra)/Algebraic Structure
 * Definition:Group
 * Definition:Abelian Group
 * Definition:Subgroup
 * Definition:Ring
 * Definition:Commutative Ring
 * Definition:Ring Zero
 * Definition:Ring with Unity
 * Definition:Commutative and Unitary Ring
 * Definition:Integral Domain
 * Definition:Field
 * Definition:Module
 * Definition:Vector Space
 * Definition:Matrix

Number Systems

 * Definition:Number
 * Definition:Natural Numbers
 * Definition:Digit
 * Definition:Integer
 * Definition:Positive/Integer
 * Definition:Strictly Positive/Integer
 * Definition:Integer Sequence
 * Definition:Prime Number
 * Definition:Divisor (Algebra)/Integer
 * Definition:Rational Number
 * Definition:Real Number
 * Definition:Strictly Positive/Real Number
 * Definition:Complex Number
 * Definition:Complex Plane


 * Definition:Real Function
 * Definition:Real-Valued Function
 * Definition:Complex Function
 * Definition:Real Interval
 * Definition:Real Interval/Open
 * Definition:Real Interval/Closed

Geometry

 * Definition:Point
 * Definition:Linear Measure/Length
 * Definition:Line/Straight Line
 * Definition:Circle
 * Definition:Polygon/Vertex
 * Definition:Polygon/Side
 * Definition:Angle
 * Definition:Surface/Plane Surface

Metric Spaces to Topology

 * Definition:Metric Space
 * Definition:Topology
 * Definition:Topological Space
 * Definition:Open Set/Topology

Category Theory

 * Definition:Category
 * Definition:Metacategory
 * Definition:Morphism

Graph Theory

 * Definition:Graph (Graph Theory)
 * Definition:Graph (Graph Theory)/Vertex
 * Definition:Graph (Graph Theory)/Edge

Physics

 * Definition:Time
 * Definition:Mass
 * Definition:Unit of Measurement

Probability Theory

 * Definition:Probability Space
 * Definition:Game
 * Definition:Game/Player