<s>
ProSet	B-Language
is	O
a	O
set	B-Application
theoretic	I-Application
programming	I-Application
language	O
that	O
is	O
being	O
developed	O
at	O
the	O
University	O
of	O
Essen	O
as	O
a	O
successor	O
to	O
SETL	B-Language
.	O
</s>
<s>
It	O
is	O
a	O
very-high	B-Language
level	I-Language
language	I-Language
that	O
supports	O
prototyping	O
.	O
</s>
<s>
ProSet	B-Language
provides	O
the	O
following	O
first-class	O
data	O
types	O
:	O
atom	O
,	O
integer	O
,	O
real	O
,	O
string	O
,	O
boolean	O
,	O
tuple	O
,	O
set	O
.	O
</s>
