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Originally Posted by sterlingnotes
Okay then, a numeral is a symbolic representation of a unit. If I understand you correctly, this is your argument. That it is a symbolic representation and not the unit itself. Even in that case the symbol as a representation is equal to the actual unit.
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The numeral is a way of communicating the number, it is not the number itself.
Quote:
I see what he is saying, but mathamatically 2+2 will always equal 4
Just because you do not give it an attachment to some sort of unit does not mean you cannot add them together. by It'self each number really has no meaning. but you can still add two numbers together, but you just end up with another number.
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This is correct to a degree. You either get 2 "numbers" or you get one number "4" which is a number representing 4 units.
If no unit is stated, it is implied. That's why people can still write out numbers without units, but to correctly write the formula you include the words in parantheses:
2 (units) + 2 (units) = 4 (units)