Lin Hsin Hsin Quantum Security Center











Mathematical Abstraction





DEFINITION


The process of extracting


              ⭕ underlying structures
              ⭕ patterns
              ⭕ properties


from specific instances while removing dependence on real-world objects and concrete contexts




OBJECTIVES


The objective is to allow for the creation of

general theories and self-contained systems where meaning is derived solely from internal relationships and operations




RULES


The fundamental rules and techniques governing this process include:


Identification of Invariances

Mathematicians isolate properties that remain unchanged across diverse examples, such as the invariant property of successive enumeration when moving from counting physical objects to the abstract notion of natural numbers


Equivalence Relations & Partitioning

Abstraction often involves grouping a domain of entities into classes based on a shared trait or properties (an equivalence relation) and identifying a single abstract object corresponding to each class, such as defining a direction for all parallel lines


Axiomatic Construction

Abstract structures are defined using a minimal set of axioms and primitive terms that capture essential properties, allowing for the deductive derivation of theorems without reference to specific real-world interpretations


Decontextualization & Symbolic Representation

Concrete details eg color or shapes are discarded in favor of symbolic representation (variables and operators), enabling the study of relationships and rules that apply across different systems, such as vectors or matrices



Self-Containment

An abstract mathematical object takes its meaning only from the system within which it is defined, allowing for operations on these objects without the need to reference their original empirical origins


Common examples of this abstraction include

The transition from Euclidean geometry to topology (focusing on properties preserved under continuous deformation rather than precise distances)

From arithmetic to abstract algebra -- the study of the structure of operations like addition and multiplication in rings and fields rather than specific numerical values