Is two plus two really four?

Answer 1

Yes it is and I can tell you why. Well, 2 and 2 is 4 because, you start at 1, not 0 or any other number. You already know you have got a 2 there. Then you count 2 more, 1, 2. There, you've got it. 2+2=4....

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Another contributor proposed a simpler experiment:

-- Drop two pennies onto your pillow.

-- Close your eyes, take a deep breath, and open your eyes.

-- Drop two pennies onto your pillow.

-- Close your eyes, take a deep breath, and open your eyes.

-- Pick up all of the pennies on your pillow, and count them.

Quod erum demonstrandum.