#proof  (logic or mathematics) a formal series of statements showing that if one thing is true something else necessarily follows from it
  supertype:  argument__statement  a fact or assertion offered as evidence that something is true; "it was a strong argument that his hypothesis was true"
  subtype:  mathematical_proof  proof of a mathematical theorem
  subtype:  logical_proof__logicalproof  proof of a logical theorem
  subtype:  demonstration.proof__monstrance  proof by a process of argument or a series of proposition proving an asserted conclusion

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