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Dec 11th, 2018
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  1. a = b + 1
  2. (a-b)a = (a-b)(b+1)
  3. aa – ab = ab + a – bb – b
  4. aa – ab -a = ab + a -a – bb – b
  5. a(a – b – 1) = b(a – b – 1)
  6. a = b
  7. b + 1 = b
  8. Therefore, 1 = 0
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