Newbetuts
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New posts in definition
What is the formal definition of polynomial ring of several variables?
abstract-algebra
polynomials
definition
Why is the arbitrary sum, but not the arbitrary intersection, of ideals an ideal?
abstract-algebra
commutative-algebra
definition
ideals
What does it mean for a function to be holomorphic?
calculus
complex-analysis
complex-numbers
definition
What is finitistic reasoning?
logic
terminology
definition
proof-theory
incompleteness
Why do we use open intervals in most proofs and definitions?
definition
The first snippet below compiles, but the second doesn't. Why?
c++
language-lawyer
declaration
definition
name-lookup
What is an interval of a lattice?
definition
order-theory
lattice-orders
What is "algebra" in $\sigma$-algebra (or "field" in $\sigma$-field)?
measure-theory
soft-question
definition
Determine all homomorphic images of $D_4$ up to isomorphism.
abstract-algebra
group-theory
finite-groups
definition
Does this theorem/collection of theorems have a name? Or is it just seen as obvious?
abstract-algebra
category-theory
definition
universal-algebra
morphism
What does "dual statement" mean exactly in category theory?
category-theory
definition
meta-math
Two definitions for derivative
real-analysis
limits
derivatives
definition
Meaning of $\int_E {f(x) \mu(dx)}?$
measure-theory
definition
lebesgue-integral
If a set is open, does it mean that every point is an interior point? [duplicate]
real-analysis
general-topology
definition
What is "one over something"?
terminology
definition
What is the difference between an axiom and a definition?
field-theory
definition
axioms
Why is it difficult to define n-category?
soft-question
category-theory
definition
higher-category-theory
Definition of a set
set-theory
definition
Question about the definition of a category
category-theory
definition
Graphically Organizing the Interrelationships of Basic Algebraic Structures
abstract-algebra
group-theory
ring-theory
definition
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