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10h
comment What does circular measurement stand for?
@RoryDaulton You're right about Loney - see my answer below.
12h
comment What does circular measurement stand for?
Why the downvotes, with no reasons? The OP (new to the site) is confused and has asked a reasonable question.
12h
answered What does circular measurement stand for?
1d
revised Do prime numbers have prime factors?
fixed typo
1d
revised Do prime numbers have prime factors?
fixed typo
1d
answered Do prime numbers have prime factors?
1d
comment Proof check:$ \left | \mathbb{R} \right |= 2^{\left|\mathbb{N} \right |}$
You are essentially clear and correct. You just have to worry a little bit about things like $1/2 = 0.0111\ldots = 0.100\ldots$.
2d
comment mathematical proof vs. first-order logic deductions
@DougSpoonwood Fair enough on your first point - looking for new proofs is part of the fun. The last questions about programs that generate proofs are interesting. I don't think any answers would really contradict my sense that what constitutes a proof is determined by the mathematicians of the day.
2d
answered mathematical proof vs. first-order logic deductions
2d
comment Find the dimension of a vector subspace
+1 for pointing the OP to the relevant places in his text.
2d
comment Find the dimension of a vector subspace
@xhimi I don't think $2$ has to be a root. Just the derivative is zero there.
2d
comment Find the dimension of a vector subspace
Hint. If you know why the dimension of the space of polynomials of degree at most $n$ is $n+1$ then you can look at what those conditions imply about the coefficients of $f$ in your subspace. (I suspect someone will post this as an answer.)
Jul
4
answered Differentiating the exponent power series
Jul
4
comment $\int_1^\infty 1/\sqrt{1+e^x}dx$
+1 for the teaching that you provided along with the answer.
Jul
2
answered What is the use of the chain rule?
Jul
1
revised Question regarding proof that $V = \{ f : \Bbb N \to \Bbb N \mid f(n)\text{ is a prime for all }n \in N\}$ is uncountable
added 189 characters in body
Jul
1
answered Question regarding proof that $V = \{ f : \Bbb N \to \Bbb N \mid f(n)\text{ is a prime for all }n \in N\}$ is uncountable
Jun
27
comment Is this mathematical statement?
Reread the answers to your previous question at math.stackexchange.com/questions/1341168/…. This one is a description of a set of integers. It's like the set of primes. It's neither true nor false, it just is.
Jun
27
answered Elementary number theory - prerequisites
Jun
27
comment A lot of confusion in the “Polynomial Remainder Theorem”?
@user103816 I've added one more link that may help. I don't think I can be more use to you on this site. You might want to find a teacher to talk to face to face about this.