Necessary and Sufficient Conditions

Posodobljeno: 12/20/2016
Necessary and Sufficient Conditions
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Whys Biz Lesson Plans

Kaj so 5 Whys

Z Nathanael Okhuysen

Ko gre kaj narobe, še posebej v veliki organizaciji, ne more biti instinkt, da kaže s prsti in premik krivde. To verjetno ni najboljši način za preprečevanje težav, ki nastane v prihodnosti, čeprav. Sakichi Toyoda, ustanovitelj družbe Toyota Motor Company, razvil "5 Whys" proces, ki je vrsta analize temeljnih vzrokov, za prepoznavanje in odpravljanje težav, ki so nastale v družbi. Ugotovljeno je bilo, ker na široko sprejeta kot del vitke proizvodnje, Kaizen in metodologijo Six Sigma.


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Snemalna Knjiga Opis

causation - cause and effect - Root Cause analysis

Snemalna Knjiga Besedilo

  • Neither Necessary, nor Sufficient
  • HELLO!
  • Sufficient, but not Necessary
  • Being human means you can talk. (Some birds can speak, and some humans cannot)
  • Necessary, but not Sufficient
  • Causation
  • The sidewalk is wet because it's raining. (The sidewalk could get wet from some other cause, a hose, for instance.)
  • Necessary and Sufficient
  • You have to be 30 years old to serve as a US Senator. (Being 30 is not enough to make you a senator though.)
  • Lighting causes thunder. (Thunder cannot be caused by anything other than lightning.)