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{{def|Unknown unknown|/ʌnˈnəʊn/|n|}}Something that you don’t know that you don’t know. This of course presents an immediate {{t|paradox}}, because if you ''know'' that you don’t know that you don’t know something — which for you to be talking about unknown unknowns, you must, then this is a [[Known unknown|''known'' unknown unknown]], which | {{def|Unknown unknown|/ʌnˈnəʊn/|n|}}Something that you don’t know that you don’t know. This of course presents an immediate {{t|paradox}}, because if you ''know'' that you don’t know that you don’t know something — which for you to be talking about unknown unknowns, you must, then this is a [[Known unknown|''known'' unknown unknown]], which I rather think — but to be clear, I don’t ''know'', as such — must be a variety of [[known unknown|''known'' unknown]]. Which makes it an ''unknown'' known unknown unknown. Since I do ''know'' that I am not sure about this I can confidently, and with some relief, rest may case at a known unknown known unknown unknown. | ||
{{unknowns}} | {{unknowns}} | ||
{{sa}} | {{sa}} | ||
*[[Risk taxonomy]] | *[[Risk taxonomy]] | ||
*{{risk|Rumsfeld’s taxonomy}} | *{{risk|Rumsfeld’s taxonomy}} | ||
Revision as of 13:01, 12 December 2020
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Unknown unknown /ʌnˈnəʊn/ (n.)
Something that you don’t know that you don’t know. This of course presents an immediate paradox, because if you know that you don’t know that you don’t know something — which for you to be talking about unknown unknowns, you must, then this is a known unknown unknown, which I rather think — but to be clear, I don’t know, as such — must be a variety of known unknown. Which makes it an unknown known unknown unknown. Since I do know that I am not sure about this I can confidently, and with some relief, rest may case at a known unknown known unknown unknown.
There are six types of known.
The Rumsfeld three:
- Known knowns: Things you do know you know;
- Known unknowns: Things you do know you don’t know;
- Unknown unknowns: Things you don’t know you don’t know;
And the Jolly Contrarian three:
- Unknown knowns: Things you don’t know you do know.
- Not officially known: Things you know but the general public can’t prove.
- Knowable unknowns: Things you don’t know, but think you do know, for the time being, because computers.