i=integer
(). :
< > = < >(< >,..., < >) [;< >(...)]*
.
: , , , , ( ).
point = p(integer, integer)
triangle = tr(point, point, point)
, "; " " or ".
, , , , :
point = p(integer, integer); p(integer, integer, integer).
:
file = < 1>;...;< N>
-, , , . :
< > = < >*
:
list_of_integer = integer*
database , . predicates.
, predicates, . . n - :
< >(< >,...,
< n- >).
( ) , . , - , .. , , .
: , ""