a > )
Construction of Precedence Table 4/5
4) Parentheses:
• A pair of parentheses: 
• Let a Î T – {), $}. Then,
• Let a Î T – {(, $}. Then,
• Let a Î T and a may precede (. Then,
• Let a Î T and a may  follow   ). Then,
( < a
a < (
) > a
+
*
(
)
i
$
+
*
(
)
i
$
>
<
>
<
<
<
<
<
>
>
>
>
=
<
>
11/42
Example: Precedence-table
       part for parentheses.
( = )
$(i + ((i * (i + (i + i)))))
$,       (,    *,    + may precede (
(((((i + i)+ i)* i)) + i)$
   +,    *,   ),      $ may follow )