Re: BUG #6016: Documentation makes inappropriate reference to boolean logic

asuffield(at)acunu(dot)com wrote:
>
> The following bug has been logged online:
>
> Bug reference: 6016
> Logged by:
> Email address: asuffield(at)acunu(dot)com
> PostgreSQL version: 9 (all)
> Operating system: documentation
> Description: Documentation makes inappropriate reference to boolean
> logic
> Details:
>
> Documentation section 9.1 reads:
>
> "SQL uses a three-valued Boolean logic..."
>
> A "Boolean logic" is a specific thing, and all Boolean logics have 2^k
> values; a 3-valued logic is not Boolean. Should read:
>
> "The SQL Boolean type uses a three-valued logic..."
>
> (Curiously, SQL99 appears to be an actual 4-valued Boolean logic)

Attached patch applied to HEAD and 9.0.X.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +