Example image of eyePlorer eyePlorer map for 'Lebesgue measure': Area Euclidean space Henri Lebesgue Length Mathematics Subset Volume Lebesgue integration Real analysis Measure (mathematics) Axiom of choice Infinity Banach–Tarski paradox Non-measurable set Volume form Cartesian product Cantor set Uncountable set Vitali set Interval (mathematics) Countable set Disjoint union Series (mathematics) Complement (set theory) Intersection (set theory) Union (set theory) Borel set Closed set Metric space Open set Regularity theorem for Lebesgue measure Inner regular measure Locally finite measure Radon measure Strictly positive measure Support (measure theory) Null set A fortiori argument Linear map Complete measure Invariant (mathematics) Sigma-algebra Translation (geometry) Σ-finite measure Hausdorff dimension Euclidean distance Lipschitz Lebesgue covering dimension Smith–Volterra–Cantor set Symmetric difference