mannyv mannyv
  • 19-09-2018
  • Mathematics
contestada

When a mathematician writes QED at the end of a proof, what does this mean?

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maacomattoxkrum
maacomattoxkrum maacomattoxkrum
  • 19-09-2018

QED in Latin stands for "quod erat demonstrandum" (in English is "that which was to be demonstrated"). It is put at the end of a mathematical proof to indicate the proof completed.

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