diff options
| -rw-r--r-- | doc/src/sgml/func.sgml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 4852231141e..83adc33333b 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -82,8 +82,9 @@ <member><literal>NOT</></member> </simplelist> - <acronym>SQL</acronym> uses a three-valued Boolean logic where the null value represents - <quote>unknown</quote>. Observe the following truth tables: + <acronym>SQL</acronym> uses a three-valued logic system with true, + false, and <literal>null</>, which represents <quote>unknown</quote>. + Observe the following truth tables: <informaltable> <tgroup cols="4"> |