![](/img/cover-not-exists.png)
[Lecture Notes in Computer Science] Extensions of Logic Programming Volume 475 || Modal provability foundations for negation by failure
Schroeder-Heister, PeterVolume:
10.1007/BF
Year:
1991
Language:
english
DOI:
10.1007/bfb0038695
File:
PDF, 2.16 MB
english, 1991