QUASIRECOGNIZABILITY BY THE SET OF ELEMENT ORDERS FOR GROUPS 3 D 4(q), FOR q EVEN
UNILATERAL o-GROUPS
THE WORD PROBLEM FOR POLYNILPOTENT GROUPS WITH A SINGLE PRIMITIVE DEFINING RELATION
ROGERS SEMILATTICES OF FINITE PARTIALLY ORDERED SETS
THE PROJECTIVE BETH PROPERTY AND INTERPOLATION IN POSITIVE AND RELATED LOGICS
USING FOX DERIVATIVES IN TREATING GROUPS OF THE FORM F/[R′, F],