distinct values in a partition

[BeefStu]

select distinct  
from  partition ;

Am I missing something?

SQL> desc month_part;
Name Null? Type
----------------------------------------- -------- ----------------------------
A NUMBER
B NUMBER
C DATE


select partition_name from user_tab_partitions where table_name ='MONTH_PART'

APR10
MAY10
JUN10
SYS_P25
SYS_P21
SYS_P24
SYS_P22
SYS_P23


SQL> select distinct (c) from month_part partition SYS_P22;

select distinct (c) from month_part partition SYS_P22
*
ERROR at line 1:
ORA-00933: SQL command not properly ended