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New posts in proof-explanation
Equivalence of statements of Triangle Removal Lemma
combinatorics
graph-theory
proof-explanation
Doubt about Artin’s Algebra Theorem 2.3.3 Proof
abstract-algebra
group-theory
elementary-number-theory
proof-explanation
Can't find the flaw in the reasoning for this proof by induction?
induction
proof-explanation
fake-proofs
Is this a valid proof that there are infinitely many natural numbers?
elementary-set-theory
proof-explanation
Proof of Eckart-Young-Mirsky theorem
linear-algebra
proof-explanation
svd
Multiples are closed under integral linear combinations
algebra-precalculus
number-theory
definition
proof-explanation
Why does this way of solving inequalities work?
inequality
proof-explanation
Still struggling to understand vacuous truths
logic
definition
proof-explanation
propositional-calculus
boolean-algebra
Question on proving existence in Rudin exercise 1.5
real-analysis
proof-explanation
Can anyone show an example of going through Liouville's differential algebra theorem?
proof-explanation
differential-algebra
In a proof by contradiction, how do we know the assumption is the cause of the contradiction?
proof-explanation
Prove: If $A$ and $B$ are closed subsets of $[0,\Omega]$ then at least $A$ or $B$ is bounded
general-topology
proof-writing
proof-explanation
ordinals
order-topology
Does Monty Hall logic apply to this real world situation?
probability
proof-explanation
monty-hall
What is the explanation for this visual proof of the sum of squares?
summation
proof-explanation
visualization
proof-without-words
Help understand the proof of infinitely many primes of the form $4n+3$
elementary-number-theory
prime-numbers
proof-explanation
alternative-proof
Let $R$ be an integral domain. If $x \in R$ is prime, then $x$ is irreducible.
abstract-algebra
ring-theory
proof-explanation
integral-domain
$\mathcal{A} \subset \mathcal{P}\left(\bigcup\limits_{X \in \mathcal{A}} X\right)$ and conditions for the opposite inclusion.
elementary-set-theory
proof-explanation
Clarification about the triple product identity for partial derivatives
calculus
multivariable-calculus
proof-explanation
partial-derivative
Doubt in understanding Space $\mathscr D(\Omega)$
real-analysis
general-topology
functional-analysis
proof-explanation
distribution-theory
If $S$ is an infinite $\sigma$ algebra on $X$ then $S$ is not countable
real-analysis
measure-theory
proof-explanation
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