What's the Most Abstract Math Concept You've Studied?
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Multiple Select (max 2)
Imaginary Numbers
(i = √–1) Numbers that don't exist on the number line… but solve real problems.
Votes:
95
Limits & Infinity
Where numbers go, but never quite arrive. Hello, ∞.
Votes:
124
Proof by Induction
Like dominoes falling forever—prove one, and the rest must follow.
Votes:
133
Non-Euclidean Geometry
Space bends. Lines curve. Triangles don't add up to 180°. Reality… updated.
Votes:
45
Abstract Algebra
(Groups, Rings, Fields) Math about sets where “+” and “×” don't always mean what you think.
Votes:
56
Topology
(A donut is a mug) A world where stretching, twisting, and squishing preserve identity.
Votes:
99
Set Theory & Cardinality
Infinite sets have different sizes. Wait, what?
Votes:
166
Category Theory
Math about math—structures, mappings, and ultimate abstraction.
Votes:
156
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9/19/2025 6:12 PM
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