The negation of the statement "For all real numbers $x$ and $y, x+y=y+x$" is

  • A
    For all real numbers $x$ and $y, x+y \neq y+x$
  • B
    For some real numbers $x$ and $y, x+y=y+x$
  • C
    For some real numbers $x$ and $y, x+y \neq y+x$
  • D
    For some real numbers $x$ and $y, x-y=y-x$

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