Note – Mathematical objects

20th century Cantor:

All mathematical objects can be defined as sets.

Fundamentals:

• numbers
• permutations
• partitions
• matrices
• sets
• functions
• relations

Geometry:

• hexagons
• points
• lines
• triangles
• circles
• spheres
• polyhedra
• topological space
• manifolds

Algebra:

• groups
• rings
• fields
• lattices