Geodesic

Volume 3 (1964) no. 5

Sommaire

Some examples of rings without zero divisors
p. 5-28
On complexity of inference in phase-structure grammars
p. 29-44
The reduction-class $\forall \exists ^n\forall $
p. 45-55
On elementary theories of free nilpotent algebras
p. 57-63
The definition of arithmetic operations in the Ackermann model
p. 64-65