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New posts in definition
Definition of General Associativity for binary operations
abstract-algebra
definition
recursion
What happens if we remove the requirement that $\langle R, + \rangle$ is abelian from the definition of a ring?
abstract-algebra
ring-theory
terminology
definition
axioms
What is a point?
calculus
geometry
definition
euclidean-geometry
analytic-geometry
What is combinatorics?
combinatorics
reference-request
soft-question
definition
What is the difference between a heuristic and an algorithm?
algorithm
definition
heuristics
nomenclature
What, if anything, is the sum of all complex numbers?
sequences-and-series
analysis
complex-numbers
summation
definition
How to define a Weil divisor from a Cartier divisor on a variety?
proof-verification
algebraic-geometry
definition
divisors-algebraic-geometry
If the gambler's fallacy is false, how do notions of "expected number" of events work?
probability
definition
Is this alternative notion of continuity in metric spaces weaker than, or equivalent to the usual one?
real-analysis
analysis
continuity
definition
Vector Spaces: Redundant Axiom?
linear-algebra
vector-spaces
definition
axioms
What is a real number (also rational, decimal, integer, natural, cardinal, ordinal...)?
terminology
definition
number-systems
Definition of the nth derivative? [First post]
limits
derivatives
definition
Left Hand Derivative Definition
derivatives
definition
What is the intuitive meaning of the adjugate matrix?
linear-algebra
abstract-algebra
matrices
intuition
definition
How can we think and/or write rigorously about integration by substitution?
calculus
integration
proof-writing
definition
The difference between hermitian, symmetric and self adjoint operators.
functional-analysis
operator-theory
definition
inner-products
What is the Direction of a Zero (Null) Vector?
intuition
euclidean-geometry
definition
No difference between $0/0$ and $0^0$?
definition
exponentiation
convention
What's the difference between "relation", "mapping", and "function"?
functions
terminology
definition
How do you read the definitions of range and domain of a relation aloud?
definition
relations
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