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Proof-writing
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Prove that if $r^2$ is irrational then $r$ is irrational.
July 24th, 2022
discrete-mathematics
proof-writing
logic
There exists a real number y so that for all real numbers x, x + y is rational true or false?
July 23rd, 2022
discrete-mathematics
proof-verification
proof-writing
proof-explanation
Singular value decomposition proof
December 15th, 2022
proof-explanation
proof-writing
least-squares
svd
proof-verification
Suppose $(a,b)=1$. If $a$ divides $c$ and $b$ divides $c$ prove that $ab$ divides $c$
December 9th, 2022
elementary-number-theory
proof-writing
Prove If a ≡ b (mod n) and c ≡ d (mod n), then a + c ≡ b + d (mod n)
July 23rd, 2022
proof-writing
discrete-mathematics
Find $\bigcap_{n=1}^\infty(0,1/n)=\emptyset$
August 17th, 2022
supremum-and-infimum
proof-writing
Given an undirected graph, G=(V, E) with v vertices and e edges. Prove the following.
August 1st, 2022
graph-theory
proof-writing
trees
Every two consecutive integers are coprime.
December 11th, 2020
prime-numbers
proof-writing
Show that if complex matrices A and B are both hermitian, then ABA is also hermitian.
August 1st, 2022
linear-algebra
proof-writing
Show that vectors are linearly dependent if and only if one of the vectors is a linear combination of the others.
December 7th, 2020
proof-writing
linear-algebra
vectors
Write a mathematical proof using Microsoft Word
August 1st, 2022
proof-writing
induction
Prove that $2^{3^n}+1$ is divisible by $3^{n+1}$
August 1st, 2022
induction
proof-writing
algebra-precalculus
Proving Riemann Sums via Analysis
July 2nd, 2020
riemann-sum
integration
real-analysis
proof-writing
Does complementary relation($\overline R$) is transitive?
January 4th, 2020
discrete-mathematics
proof-writing
relations
Proving a lemma about the union of set, linear independence, spans
August 1st, 2022
proof-writing
linear-algebra
vector-spaces
Prove that if f g and 2 are bounded, then f is also bounded
October 5th, 2020
proof-writing
proof-verification
Linear Algebra: Projection of a Linear Transformation
August 1st, 2022
proof-writing
linear-algebra
Justify each step in the following proof of Proposition 3.9 (a). I like to know if I'm in the right track and I'm also missing a few of them
August 1st, 2022
propositional-calculus
proof-writing
euclidean-geometry
hypothesis-testing
Proof: Probability using Induction
August 1st, 2022
probability
proof-writing
induction
Prove the derivative of $\sin(1/x)$ exists
August 1st, 2022
real-analysis
proof-writing
derivatives
trigonometry
Proof by Contrapositive?
August 1st, 2022
discrete-mathematics
proof-writing
Prove that the following pairs of sets have equal cardinality:
August 9th, 2020
proof-writing
Did I prove and disprove the following statements correctly?
July 11th, 2020
proof-writing
How to prove the intersection of functions is a function
November 28th, 2020
proof-explanation
proof-writing
functions
elementary-set-theory
How can I prove the Initial Value Theorem?
August 1st, 2022
z-transform
proof-writing
signal-processing
Prove that if S is a symmetric relation on A and R $\subseteq$ S, then $R^{-1}$ $\subseteq$ S
August 1st, 2022
proof-writing
equivalence-relations
relations
proof-verification
Prove |E| = |V| - 1 by induction
December 6th, 2020
proof-writing
induction
trees
Proving a union of two partitions is a partition of a set
November 5th, 2020
proof-writing
elementary-set-theory
How to prove/disprove a list is an ordered basis for R^3
March 12th, 2020
proof-writing
linear-algebra
Fibonacci sequence Proof by strong induction
April 1st, 2020
fibonacci-numbers
proof-writing
induction
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