TY  - BOOK
AU  - Anderson,Alan Ross
AU  - Belnap,Nuel D.
TI  - Entailment
SN  - 0691073392
PY  - 1992///
CY  - Princeton, NJ
PB  - Princeton Univ. Press
UR  - https://zbmath.org/?q=an:0921.03025
ER  -