<s>
ALF	B-Language
(	O
"	O
Another	O
logical	O
framework	O
"	O
)	O
is	O
a	O
structure	O
editor	O
for	O
monomorphic	O
Martin-Löf	O
type	O
theory	O
developed	O
at	O
Chalmers	O
University	O
.	O
</s>
<s>
It	O
is	O
a	O
predecessor	O
of	O
the	O
Alfa	O
,	O
Agda	B-Language
,	O
Cayenne	O
and	O
Coq	B-Application
proof	I-Application
assistants	I-Application
and	O
dependently	O
typed	O
programming	O
languages	O
.	O
</s>
