On Second-Order Logic
β Scribed by Boolos, George
- Year
- 0
- Tongue
- English
- Weight
- 1 MB
- Category
- Fiction
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
CHARACTERIZING SECOND ORDER LOGIC WITH FIRST ORDER QU-4NTIFIERX by DAVID HAREL in Cambridge, Massachusets (U.S.A.) l) ') The author is indebted to W. J. WALKOE, A. R. MEYER, A. SHAMIR and a rcfeiee for comments on previous versions.
## Abstract The aim of this paper is to point out the equivalence between three notions respectively issued from recursion theory, computational complexity and finite model theory. One the one hand, the rudimentary languages are known to be characterized by the linear hierarchy. On the other hand,
## Abstract A back and forth condition on interpretations for those secondβorder languages without functional variables whose nonβlogical vocabulary is finite and excludes functional constants is presented. It is shown that this condition is necessary and sufficient for the interpretations to be eq