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What is the difference between the terms denumerable and enumerable.
 2 years ago
 2 years ago
What is the difference between the terms denumerable and enumerable.
 2 years ago
 2 years ago

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2bornot2bBest ResponseYou've already chosen the best response.0
What's the meaning of them?
 2 years ago

satellite73Best ResponseYou've already chosen the best response.0
a set is "denumarable" if you can count the elements first, second, third etc
 2 years ago

satellite73Best ResponseYou've already chosen the best response.0
just like when you first learn math as a 4 year old by learning to count things. denumerable means "countable"
 2 years ago

KingGeorgeBest ResponseYou've already chosen the best response.1
A denumerable set is a socalled countable set, an an enumerable set is something that seems to be used in computer science, but is essentially the same thing.
 2 years ago

satellite73Best ResponseYou've already chosen the best response.0
and counting things means you are assigning a positive integer to each item first item, second item, third item, etc so it is actually pretty sophisticated. you are creating a one to one function from the positive integers to the elements of the set
 2 years ago

satellite73Best ResponseYou've already chosen the best response.0
so to be very formal, you can say a set S is "denumerable" "countable" etc if there is an injective function (one to one function) from \[S \to \mathbb N\]
 2 years ago

2bornot2bBest ResponseYou've already chosen the best response.0
what are you talking about @robot1234
 2 years ago

FoolForMathBest ResponseYou've already chosen the best response.0
http://mathoverflow.net/questions/20823/denumerablesets
 2 years ago

satellite73Best ResponseYou've already chosen the best response.0
think maybe robot is bored
 2 years ago

2bornot2bBest ResponseYou've already chosen the best response.0
Might be a clever method of squeezing a medal from someone who thinks robot1234 is helping
 2 years ago

2bornot2bBest ResponseYou've already chosen the best response.0
I have seen these earlier, users coming in and just posting a nonsense and expecting to get a medal.
 2 years ago

2bornot2bBest ResponseYou've already chosen the best response.0
This is a good trick after all
 2 years ago

FoolForMathBest ResponseYou've already chosen the best response.0
Driveling for medals lol!
 2 years ago
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