Newbetuts
.
New posts in proof-explanation
Prove that if $w \in \mathbb{Z}[\sqrt{3}]$ and $N(w)$ is a prime, then $w$ is prime also
proof-verification
prime-numbers
algebraic-number-theory
proof-explanation
Confusion regarding the proof steps of the topology generated by a subbasis
general-topology
proof-explanation
product-space
Sufficiency of Lebesgue's Criterion for Riemann Integrability
real-analysis
proof-explanation
lebesgue-measure
riemann-integration
Manipulating expression $(\frac{1}{4}+\frac{1}{2^{n+1}})(1-\frac{1}{2^{n+1}})$ in inductive step.
proof-verification
proof-explanation
Inequality proof, why isn't squaring by both sides permissible?
inequality
proof-explanation
Verification of the limit of a succession
calculus
limits
analysis
proof-explanation
epsilon-delta
Collatz Conjecture, why a rate of change of $*4$ in the following?
elementary-number-theory
proof-explanation
collatz-conjecture
Prove $-(-a)=a$ using only ordered field axioms
analysis
field-theory
proof-explanation
Soundness vs completeness, am I understanding? And proving soundness?
logic
definition
proof-explanation
propositional-calculus
If $F$ is a field, then $F[x]$ is a principal ideal domain proof question
abstract-algebra
polynomials
proof-explanation
principal-ideal-domains
How does $\ x_i = (x_i - \overline{x})$ in the proof for ordinary least squares regression?
statistics
proof-explanation
least-squares
On elementary proofs of Fermat's Last Theorem
number-theory
diophantine-equations
proof-explanation
fake-proofs
Understanding a proof that $2x + 3y$ is divisible by $17$ iff $9x + 5y$ is divisible by $17$
number-theory
elementary-number-theory
divisibility
proof-explanation
Wikipedia Proof of Skolem-Noether Theorem
abstract-algebra
matrices
proof-explanation
Why $|z_1z_2|^2 = |z_1|^2|z_2|^2$ implies $|z_1z_2| = |z_1||z_2|$
complex-analysis
proof-explanation
Elementary example of Grothendieck's style of proof?
category-theory
proof-explanation
Question about a proof of: If $P$ is a finite $p$-group and $\langle 1\rangle\neq N\trianglelefteq P$, then $N\cap Z(P)\neq\langle 1\rangle$.
abstract-algebra
group-theory
proof-explanation
group-actions
p-groups
Suppose $f_{n} \stackrel{L_{2}}{\rightarrow} f$,$g_{n} \stackrel{L_{2}}{\rightarrow} g$. Prove that $ \langle f_n,g_n \rangle\to\langle f,g\rangle $
real-analysis
proof-explanation
lebesgue-measure
Reflection inside spherical mirror
geometry
physics
proof-explanation
Derive the error for the Midpoint rule
numerical-methods
proof-explanation
Prev
Next