73 search results - page 7 / 15 » Some Co-Birkhoff Type Theorems |
TPHOL
2005
IEEE
14 years 20 days ago
2005
IEEE
We describe a formalization of the elementary algebra, topology and analysis of finite-dimensional Euclidean space in the HOL Light theorem prover. (Euclidean space is RN with the...
ACTA
1998
13 years 6 months ago
1998
We observe that every rst-order logic formula over the untyped version of some many-sorted vocabulary is equivalent to a union of manysorted formulas over that vocabulary. This re...
POPL
2003
ACM
14 years 7 months ago
2003
ACM
We introduce a new framework of algebraic pure type systems in which we consider rewrite rules as lambda terms with patterns and rewrite rule application as abstraction applicatio...
ORDER
2010
13 years 5 months ago
2010
Let r(n) denote the largest integer such that every family C of n pairwise disjoint segments in the plane in general position has r(n) members whose order type can be represented ...
LPAR
2005
Springer
14 years 18 days ago
2005
Springer
We investigate some syntactic properties of Wadler’s dual calculus, a term calculus which corresponds to classical sequent logic in the same way that Parigot’s λµ calculus co...