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# Fact: 2+2=4

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after 10 votes the winner is...
ishallannoyyo
 Voting Style: Open Point System: 7 Point Started: 9/21/2012 Category: Education Updated: 5 years ago Status: Post Voting Period Viewed: 2,328 times Debate No: 25744
Debate Rounds (2)

 Con 2 Rounds. First is acceptance. I do not think 2+2=4Report this Argument Pro Someone has creating an Ishall2 (Airmax can do an IP check, it isn't me). I am severly insulted. Let us begin this debate on whether or not 2 + 2 = 4.Report this Argument Con Let a & b each be equal to 1. Since a ^ b are equal, b^2 = ab ...(eq.1) Since a equals itself, it is obvious that a^2 = a^2 ...(eq.2) Subtract equation 1 from equation 2. This yeilds (a^2) - (b^2) = (a^2)-ab ...(eq. 3) We can factor both sides of the equation; (a^2)-ab equals a(a-b). Likewise, (a^2)-(b^2) equals (a + b)(a - b) (Nothing fishy is going on here. Ths statement is perfectly true. Plug in numbers and see for yourself!) Substituting into the equation 3 , we get (a+b)(a-b) = a (a-b) ...(eq.5) So far, so good. Now divide both sides of the equation by (a-b) and we get a + b = a ...(eq.5) b = 0 ...(eq.6) But we set b to 1 at the very beginning of this proof, so this means that 1 = 0 ...(eq.7) ...Anyways, getting that far gives us the jist of the proof, later in the proof, Charles Seife goes on to prove that Winston Churchill was a carrot! if you want to know how that is possible, I recommend you read the book. From equation 7, add a number to either side and get it equal to any other number, one greater than itself. Multiplying equation 7 after adding to it, and one can get: any number is equal to any other number. Therefore 2+2 is 5.Report this Argument Pro This is all under the assumption that "a" and "b" are equal, which they clearly cannot be as they are different variables.x cannot equal y, they are different variables. Each variable denotes a specific number. Why then would there be "a" and "b"? Why not just "a" as there is no difference between "a" and "b"? This is like saying 4 = 5, clearly incorrect.Easy vote CON (as this is a troll debate and my opponent's math was severely flawed)Report this Argument
8 comments have been posted on this debate. Showing 1 through 8 records.
Posted by Frarf 5 years ago
2 variables can equal the same thing in the same equation. for example, on a graph we can have a point (5,5). x=5 and y=5. Simple.
Posted by generalbattle13 5 years ago
also the first step is not mathematically correct. b^2=ab and a^2=a^2. You cannot subtract each side of an equation by two different numbers it should say (b^2)-(a^2)=ab-(a^2). It seems like a small change but you turn both the (a^2) into -(a^2) and the -(b^2) into (b^2) and the -ab into ab. The reason is that you should subtract both sides by the same number (a^2) instead of subtracting one side by (b^2) and ab.
Posted by Zetsubou 5 years ago
: (a+b)(a-b) = a (a-b)
: So far, so good. Now divide both sides of the equation by (a-b) and we get
: a + b = a

You can't divide by zero, (a-b)=(1-1)=0 . This step is illegal. It's like when people say 2/0=0, therefore, 0*0=6. Sorry if this ruined the debate for you AznWords.

To Pro: a can equal b unless otherwise stated. Also: a & b in this context are given as constants not variables.
Posted by AznWords 5 years ago
I will gladly take Con on this debate afterwards
Posted by 16kadams 5 years ago
2 + 2 = 5 because starcraftzzz is god! ;D
Posted by THEBOMB 5 years ago
2 variables can equal each other in the same equation...if a = 1 and b = 1 then a = b.
Posted by ishallannoyyo 5 years ago
Yes, but not in a single equation.
Posted by ISHALLANNOYYO2 5 years ago
You don't understand variables! 2 VARIABLES CAN EQUAL THE SAME THING.
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