is one a number

- UnkleRhaukus

is one a number

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- ParthKohli

No.

- ParthKohli

one is a numeral. :P

- ParthKohli

No... one is an integer

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## More answers

- hartnn

i believed that from my childhood, that one is a number

- UnkleRhaukus

im looking for a convincing argument

- amriju

how do u define a number?

- anonymous

I believe also that 1 is a number , http://en.wikipedia.org/wiki/1_(number) (I prefer wikipedia to answer this) ;)

- ParthKohli

This is the first thing ever you learnt in mathematics: 1

- anonymous

Number is a mathematical thing which is used to count ....

- ParthKohli

1 is a quantity.
A quantity is a number.
Q.E.D

- anonymous

lol May I know @UnkleRhaukus is this exactly what you are asking for?

- amriju

then by definition...1 is a number...what made u strike the question though...?

- ParthKohli

Axiom: number + number = another number
Axiom 2: 4 is a number
Axiom 3: 5 is a number
Combining the axioms, 1 + 4 = 5
Q.E.D.

- ParthKohli

How many demonstrations do you need?

- anonymous

lol \[\Huge{1}\]

- ParthKohli

Accept it: 1 is a number because it is in the NumPad. :D

- anonymous

^ This is the perfect use of number :
Quest. "How many demonstrations u need?"
Answer : "1"

- ParthKohli

More uses:
1 apple a day keeps 1 doctor away.

- amriju

u deserve a medal..bt i am new to this site...dnt kno how to give 1

- anonymous

@amriju click on "best response"

- ParthKohli

He already has given me a medal. :P

- amriju

k...i've already done that..

- amriju

:P

- ParthKohli

Well, I got to go.
I'd see this stupid discussion after like 45 minutes when I return.
Bwahaha!

- anonymous

bye.

- UnkleRhaukus

say, there are a number of objects on the table ,
could there be zero objects on the table?
could there be one object on the table?

- hba

Well It Depends Unkle Rhaukus if you talk about objects on the table :)

- hba

In Nature,You Can not say There Are Zero Objects But On A Table There Can Be No Objects :)

- ganeshie8

one is a digit when we use it in a number system
one is a number when we use it to count things

- maheshmeghwal9

o.O
o.O
o.O
o.O
o.O
o.O
o.O
o.O
o.O
o.O
o.O

- anonymous

{{empty set}}

- hba

Well ^^ You Are wrong,thats not an empty set,it has one object :)

- anonymous

Correct

- hba

{ } < Empty set

- anonymous

So is it 1?

- hba

Well Its Not The Number 1 but it is 1 object :)

- anonymous

That is (a) set theory definition of 1.

- anonymous

Why is it worse than "1"

- hba

Well I Agree With You On That Note

- anonymous

Why do we need a set theory definition of 1 at all?

- hba

Well Thats Not Exactly What Is Being Asked Here :)

- anonymous

To answer what is being asked, you have to define "number"

- hba

But It Is Not Necessary We Talk About It With Respect To Sets :)

- anonymous

Define it however u like, I gave one (mathematical) definition.
Do you have another definition?

- UnkleRhaukus

one is an egg

- anonymous

"I" (as in individual)

- hba

^ dis agree ,One is One

- anonymous

So your proof goes, One is One, so One is a number..?

- hba

Exactly :)

- anonymous

1 is a symbol representing a number.....(maybe)

- hba

Maybe^^

- ganeshie8

1 is a symbol representing repetititiveness

- anonymous

lol

- maheshmeghwal9

1 is a first natural number.

- anonymous

No number is less than 1...?

- anonymous

No natural number is less than 1...

- hba

Because 0 things cannot exist in nature :D @maheshmeghwal9

- anonymous

Ah, the physicists viewpoing...:-)

- anonymous

viewpoint*

- maheshmeghwal9

but @estudier that no number is less than 1 but 0 is a whole number.

- anonymous

What's a whole number?

- maheshmeghwal9

said*

- hba

With Respect to sets W= {0,1,2,3.....}

- anonymous

http://en.wikipedia.org/wiki/Whole_number Pick one...

- maheshmeghwal9

{0,1......\(\infty\)}

- anonymous

A set containing infinity as a member.....

- maheshmeghwal9

@estudier

- maheshmeghwal9

a set starting from 0 to infinity

- anonymous

Do u mean an infinite set?

- maheshmeghwal9

yes !

- anonymous

OK, which one?

- maheshmeghwal9

which is starting from 0.

- hba

@estudier Stop Playing and get to the point :)

- anonymous

Natural numbers including 0

- anonymous

Seems we are talking about sets after all....

- maheshmeghwal9

hmm ...
u r confusing me @estudier

- hba

Well Natural number does not include 0

- anonymous

They do or don't u have to say which.....

- anonymous

Or u can say "positve" or "non-negative" integers....

- hba

We Can Say Non-Zero Also :)

- anonymous

As you like, it just has to be clear...

- anonymous

So, according to set theory, 1 is not a number.
It is a representation of the set containing the empty set.

- hba

Would You Like To Provide Example :)

- anonymous

And we can define all the other "numbers" by (transfinite) induction

- hba

@estudier Can You Define A Set ?

- anonymous

Like point and plane...

- anonymous

Something has to be primitive else you are going in a circle.....

- hba

Well You Have To Go In A Circle Before You Come To A Certain Point :)

- anonymous

Good place to finish:-)

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