Or may refer to:

  • grammatical conjunction
  • Exclusive or, a logical operation (e.g. "A or B, but not both")
  • Inclusive or (Logical disjunction), a logical operation (e.g. "A or B or both")

OR, O.R. or or may also refer to:


"Better by far to embrace the hard truth than a reassuring fable."
Carl Sagan
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