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New posts in proof-explanation
$\textit{Why}$ the cases in 4 $\nmid n^2 - 3?$ (bases cases in modular induction)
proof-explanation
divisibility
What's going on with this 5-line proof of Fermat's Last Theorem? [duplicate]
proof-explanation
philosophy
fake-proofs
check out this proof-finite intersection of open set is open [closed]
general-topology
metric-spaces
proof-explanation
Why does proof by contrapositive make intuitive sense?
proof-writing
proof-explanation
Why do we do mathematical induction only for positive whole numbers?
elementary-number-theory
induction
proof-explanation
How to prove that $|HK| = \dfrac{|H| \; |K|}{|H \cap K|}$? [duplicate]
abstract-algebra
group-theory
finite-groups
proof-explanation
How to prove that the sequence $(-1)^{n+1} \times \frac {n}{n+1} $ diverges?
calculus
limits
proof-explanation
Proof that extreme estimators are consistent
probability
convergence-divergence
proof-explanation
uniform-convergence
Hartshorne Theorem 8.17
algebraic-geometry
sheaf-theory
proof-explanation
Proof of Lemma 2,2 in the book Elliptic Curves, Number Theory and Cryptography by Lawrence Washington.
abstract-algebra
proof-explanation
Determine the degree of the extension $\mathbb{Q}(\sqrt{3 + 2\sqrt{2}})$.
abstract-algebra
field-theory
extension-field
proof-explanation
How do we know that the Sine function has no Non-Real Roots?
trigonometry
complex-numbers
proof-explanation
roots
factoring
Verify $y=x^aZ_p\left(bx^c\right)$ is a solution to $y''+\left(\frac{1-2a}{x}\right)y'+\left[(bcx^{c-1})^2+\frac{a^2-p^2c^2}{x^2}\right]y=0$
ordinary-differential-equations
derivatives
special-functions
proof-explanation
bessel-functions
Problems understanding proof of if $x + y = x + z$ then $y = z$ (Baby Rudin, Chapter 1, Proposition 1.14)
real-analysis
proof-writing
proof-explanation
Well Ordering implies Induction Proof doubt
proof-explanation
induction
natural-numbers
well-orders
How would you show that $\displaystyle \lim_{x \to \pi}\sin x = 0$
solution-verification
proof-explanation
epsilon-delta
Dilemma in a proof of the Implicit Function Theorem
real-analysis
multivariable-calculus
proof-explanation
implicit-function-theorem
Confused about a step in a proof that $a\times (b \times c) = (a\cdot c)b - (b\cdot c)a$
geometry
vector-spaces
vectors
proof-explanation
inner-products
Strong Finite Intersection Property and Pseudo-intersection (Kunen III.1.23)
proof-explanation
set-theory
infinitary-combinatorics
On the proof that every positive continuous random variable with the memoryless property is exponentially distributed
probability-theory
probability-distributions
proof-explanation
exponential-distribution
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