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15
Math.TechQA.Club
2026-03-26 17:52:41
1.2k
Views
Formal definition of euclidean space
Published on
26 Mar 2026 - 17:52
#metric-spaces
#definition
#geometric-topology
1.5k
Views
What is the main difference between pointwise and uniform convergence as defined here?
Published on
23 Mar 2026 - 5:02
#real-analysis
#analysis
#definition
#uniform-convergence
#pointwise-convergence
147
Views
Relationship between $ \operatorname{Hom} (A, -)$ and $ \operatorname{Hom}(-, B)$ functors?
Published on
06 Jan 2019 - 10:04
#category-theory
#definition
183
Views
Real numbers definition problem
Published on
06 Jan 2019 - 20:25
#definition
#real-numbers
147
Views
What does $TM$, $T^*M$ and $*$ mean?(Definition Check)
Published on
06 Jan 2019 - 22:15
#differential-geometry
#notation
#definition
52
Views
Agebraically closed field equivalent definition
Published on
07 Jan 2019 - 0:56
#abstract-algebra
#field-theory
#definition
211
Views
Is this description of "ordinary induction" from Velleman's *How to Prove It* correct?
Published on
25 Mar 2026 - 17:20
#induction
#definition
#proof-theory
154
Views
Why is "If ψ ∈ Γ then the sequent (Γ ⊢ ψ) is correct" true?
Published on
23 Feb 2026 - 4:55
#logic
#definition
#axioms
#natural-deduction
#sequent-calculus
231
Views
Example of product topology where the index set is uncountable
Published on
25 Mar 2026 - 9:39
#general-topology
#definition
#product-space
615
Views
Simple example of the minimization operator $\mu i$?
Published on
26 Mar 2026 - 4:50
#logic
#definition
#computability
492
Views
Struggling to understand why $Hom(-, -)$ is a bifunctor and how exactly it suppose to map?
Published on
11 Jan 2019 - 18:46
#category-theory
#definition
61
Views
A "natural homomorphism" $H^n(B; \Bbb Z) \rightarrow H^n(B; \Bbb Z_2)$.
Published on
25 Mar 2026 - 16:03
#algebraic-topology
#definition
#differential-topology
#vector-bundles
#characteristic-classes
989
Views
What does it mean for a set to be contained in another?
Published on
12 Jan 2019 - 15:02
#elementary-set-theory
#definition
56
Views
What is the formal definition of a function symbol in first order logic?
Published on
13 Jan 2019 - 10:17
#functions
#definition
#first-order-logic
176
Views
Definition of derivative - is it approaching value or actual value?
Published on
13 Jan 2019 - 13:59
#calculus
#limits
#derivatives
#definition
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