H
?
1980s languages
↑
Late Cold War
↑
Fourth generation
↑
Explore languages for France and for year 1982
Prolog-II
⊕
1982
↓
↑
⊕
Specialised Languages
⊕
Horn clause
⊕
France
Prolog with dif and freeze
Wertz trinary Lisp
⊕
1982
↓
↑
⊕
String and List Processing
⊕
Tree
⊕
France
LISP with extra descriptor content