Aristotle Quotes About Logic

• The line has magnitude in one way, the plane in two ways, and the solid in three ways, and beyond these there is no other magnitude because the three are all.

  Aristotle

  Two, Three, Ontology

  "On the Heavens". Treatise by Aristotle (Book 1), 350 BC.

• It is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs.

  Aristotle

  Science, Demand, Logic

  Aristotle (2009). “The Nicomachean Ethics”, p.4, OUP Oxford

• Our account does not rob the mathematicians of their science... In point of fact they do not need the infinite and do not use it.

  Aristotle

  Doe, Needs, Use

  Aristotle (2016). “Physics”, p.82, Aristotle

• Rhetoric is the counterpart of logic; since both are conversant with subjects of such a nature as it is the business of all to have a certain knowledge of, and which belong to no distinct science. Wherefore all men in some way participate of both; since all, to a certain extent, attempt, as well to sift, as to maintain an argument; as well to defend themselves, as to impeach.

  Aristotle

  Men, Way, Logic

  Aristotle, Thomas Hobbes (1823). “Aristotle's Treatise on Rhetoric”, p.1

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