Lower bounds on Herbrand’s theorem
Lower bounds on Herbrand’s theorem
复制标题
赫布兰德定理的下界
DOI:
10.1090/s0002-9939-1979-0529224-9
复制
发表时间:
1979
影响因子:
1.3
通讯作者:
R. Statman
中科院分区:
文献类型:
--
作者:
R. Statman
We give non Kalmar-elementary lower bounds on the elimination of quantifier inferences via Herbrand's theorem. I. A special case of Herbrand's theorem says the following: Let X be a set of equations, VX the set of universal closures of members of X, and X* the set of closed substitution instances of members of X; then, for all closed equations E,