OPS6(ID:7400/ops014)
Production system
Country: us
languages for us
us/1981
Began: 1981
Languages for 1981
1980s languages
Fourth generation
Late Cold War
Type:RETE and production
RETE and production
Sammet:SPC
SPC
SPC/1981
SPC/us
v 6 OPS
Related languages
OPS5
=>
OPS6
Evolution of
OPS6
=>
OPS7
Evolution of