LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
We describe Elf, a metalanguage for proof manipulation environments that are independent of any particular logical system. Elf is intended for meta-programs such as theorem prover...
LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
The λ-calculus is considered an useful mathematical tool in the study of programming languages. However, if one uses βη-conversion to prove equivalence of programs, then a gros...
LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
A refutation mechanism is introduced into logic programming, dual to the usual proof mechanism; then negation is treated via refutation. A four-valued logic is appropriate for the...
LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
LICS
1989
IEEE
13 years 8 months ago
1989
IEEE
We explore ideal models for a programming language with recursive polymorphic types, variants of the model studied by MacQueen, Plotkin, and Sethi. The use of suitable ideals yiel...