TITLE:
Braille Code, Symmetry, Graph, Group, and Equivalence Relation
AUTHORS:
Hugo Ramón Olmedo Mareco
KEYWORDS:
Braille Code, Set Theory, Symmetry, Teaching-Learning Resource
JOURNAL NAME:
Applied Mathematics,
Vol.17 No.1,
January
20,
2026
ABSTRACT: This work synthesises Braille code via elementary concepts of naive set theory, symmetry, graph, group, and equivalence relation. Thus, the Braille code can also be understood as an even more mathematically valuable teaching-learning resource.