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Hint
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Answer
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Teaches operations like addition, subtraction, multiplication, and division
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arithmetic
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The first appearance of variables and graphs
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algebra
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First appearance of proofs
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geometry
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Discovery is disputed between two famous mathematicians
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calculus
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While its predecessor studied derivatives and integrals of y = f(x), it studies z = f(x, y)
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multivariable calculus
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Vital for information theory; studies elements of Rⁿ
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linear algebra
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Study of how things change with one independent variable
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ordinary differential equations
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First true introduction to analysis and set theory
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real analysis
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Rigorously analyzes local theory, holomorphic functions, residue theorem, and more
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complex analysis
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Study of how things change with multiple independent variables
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partial differential equations
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Rigorously studies functions as objects in infinite dimensional vector space
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functional analysis
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Rigorously defines "size," "area," "volume," "probability," and more.
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measure theory
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Rigorous study of operations and their rules, covering symmetry, algebraic structure, invariants, and more
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group theory
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Studies properties of space that are preserved under continuous deformations (i.e. stretching, bending twisting)
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topology
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Study of integers and their properties (asking questions like: which numbers are prime? how do numbers divide each other?)
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number theory
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Study of algebraic structures (sets equipped with operations) that satisfy specific axioms
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abstract algebra
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Discrete and structural, focusing on networks and relationships rather than change or continuous space
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graph theory
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Basis of all other mathematics; determines properties such as countability, cartesian products, unions, and intersections.
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set theory
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A way to generalize vectors and matrices so differentiation and integration can make sense independent of coordinates
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tensor calculus
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A "container" of the above, studies smooth manifolds, the basis of general relativity
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differential geometry
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Study of angles, periodicity, and geometric relationships (especially in circles and triangles)
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trigonometry
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Study of how functions can be decomposed into basic oscillatory components (extension of the above into infinite-dimensional analysis)
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fourier analysis
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Studies distinct, separate objects, rather than continuous quantities. Foundational to computer science, algorithms, and combinatorial structure.
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discrete mathematics
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Formal study of uncertainty, randomness, and stochastic behavior
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probability theory
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Study of learning from data: differs from the above by focusing on inference, figuring out unknowns from finite, noisy observations.
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statistics
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