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Aloizio Macedo

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316 reputation
12
bio website facebook.com/aloiziomacedo
location Rio de Janeiro, Brazil
age 19
visits member for 4 months
seen 22 hours ago
stats profile views 16

Mathematics Student
316 reputation
 bio website facebook.com/aloiziomacedo visits member for 4 months
12 badges
 location Rio de Janeiro, Brazil seen 22 hours ago
summary answers questions tags badges favorites bounties reputation activity

13 Answers

newest activity votes
4
Can a surjection and injection exist but not a bijection?
4
Show that $\rho(x,y) = |\sin(x)-\sin(y)|$ is not a metric on $\mathbb{R}$?
3
Adding equations in Triangle Inequality Proof
2
Solving the limit $\lim_{x\to 0} (1/x) \int_0^x e^{t^2}dt$
2
Terminology: arbitrary vs. finite
2
Is there a sequence whose arithmetic means lie dense in $[-1..1]$?
2
Another simple/conceptual limit question
1
What is, formally, to define a function by induction?
1
How did Newton (or whoever invented the process) come up with the idea that the anti-derivative can be used to calculate the area under a curve?
0
A natural-looking distance formula
0
Proving a Vector Space
0
Is it convention or a fundamental mathematical property that the product of two negative numbers is positive?
0
Pre-Image of a continuous function
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