btw, i'm bsc in applied math, but this question somehow always make me confuse.. ^^ thank you...
2007-07-20 00:46:37 · 10 answers · asked by de_lynx 1 in Science & Mathematics ➔ Mathematics
Why is the sky blue? Why does a rainbow happen? How does the posi traction on a 1972 dodge work?
It just does.
2007-07-20 01:57:37 · answer #1 · answered by Jeƒƒ Lebowski 6 · 0⤊ 0⤋
Because 2 - 1 = 1. If you have two eggs you cooked and ate 1 then what will be left is 1 egg. If you want 2 eggs than you buy another 1 egg and added to the 1 you're left with it makes 2. Now, let us take the eggs and we will be left with numbers only. Maybe that's what confuses you when no material things to which the numbers adhere to are eliminated and left to study the immaterial which we call numbers.
Concretely, numbers do not exist. But if they could be reached by a mind then we can say that they exist even just in the mind. Yet they truly exist in the spiritual sphere but not concretely. Your mind cannot posit them unless there are material things around in which numbers adhere to.
Next time demonstrate to yourself with objects the numbers so that you may not be confused.
2007-07-23 22:48:56 · answer #2 · answered by Jun Agruda 7 · 2⤊ 0⤋
1+1=2 because 1+1=2!!
2007-07-20 01:30:53 · answer #3 · answered by Posiedon 3 · 0⤊ 0⤋
1 + 1 = 2 because most of the world has agreed that the symbols used represent known quantities. It is not so much a principal of mathematics as it is a convention of language.
Think of it this way. The Romans used a numbering system that used different symbols. I represented a specific quantity. II represented double that quantity. V represented IIIII, however in order to keep the symbols somewhat readable, instead of IIIII, they used V. IV represented I less than V and VI represented I more than V.
The only way you understand what I've written here is because we both speak the same language, and agree that certain combinations of letters mean the same thing to each of us.
We have to agree that the symbols we use represent the same things to both of us. We have to agree on the meaning of the symbols "1", "+", "=" and "2". If we assign different meanings to the symbols than 1+1=2 would mean one thing to me and something entirely different to you.
Mathematics works because most of the world has agreed that the symbols used represent the same thing to all viewers.
2007-07-20 01:23:13 · answer #4 · answered by Anonymous · 0⤊ 0⤋
1 + 1 = 2 this is only so if 1 and 2 are to base ten if you change the base then you will get a different answer.
any way someone else might be of help in explaining.
2007-07-20 00:56:35 · answer #5 · answered by Anonymous · 0⤊ 0⤋
if you accept that in base 10 the integers are 1, 2, 3, 4, 5,..., and also that their successive differences are one, i.e.,
i sub(n+1) - i sub(n) = 1, then 2 - 1 = 1, and so 1 + 1 = 2.
2007-07-20 01:23:27 · answer #6 · answered by John V 6 · 0⤊ 0⤋
Huh...
It equals 2 because it's 1 more than 1...(and long ago we decided that thing that's 1 more than 1 is called "two..."
2007-07-20 00:50:40 · answer #7 · answered by Anonymous · 0⤊ 0⤋
well, 2-1=1
1+0=1
1+1=2
1+2=3
If you have 1 carton,and add another, you get 2.
2007-07-20 00:51:26 · answer #8 · answered by little zebulon 4 · 0⤊ 1⤋
Do you know how to count? By adding!!!
I=1
II=I+I=2
III=I+I+I=3
IV=I+I+I+I=4
....
Hence
I+I=II
1+1=2
2007-07-20 01:11:53 · answer #9 · answered by iyiogrenci 6 · 0⤊ 0⤋
you count two 1's, where will u arrive at?
2007-07-20 00:50:18 · answer #10 · answered by Mr. Engr. 3 · 0⤊ 1⤋