A formula A is said to have the contraction property in a logic L if whenever A, A, Γ ⊨ LB (when Γ is a multiset) also A, Γ & ; LB. In MLL and in MALL without ...
A formula A is said to have the contraction property in a logic L iff whenever A, A, Γ hL B (when Γ is a multiset) also A, Γ hL B. In MLL and in MALL ...
Abstract. A formula A is said to have the contraction property in a logic L if whenever A, A, Γ ⊨ L B also A, Γ & ; L B. In MLL and in MALL without the ...
A formula A is said to have the contraction property in a logic L iff whenever A, A,Γ ⊢L B (when Γ is a multiset) also A,⊢ L B. A formula A is said to ...
Formulas for which Contraction is Admissible. November 2000; Logic Journal of IGPL 6(1). DOI:10.1093/jigpal/6.1.43. Authors: Arnon Avron at Tel Aviv University.
In logic, a rule of inference is admissible in a formal system if the set of theorems of the system does not change when that rule is added to the existing ...
Missing: Contraction | Show results with:Contraction
it is equivalent to having a system with the contraction rule (on left-side formulas) and conservatively duplicate a formula before decomposing it, just in case ...
In system G3cp [3], for example, contraction is admissible and can thus trivially ... The system GS1p with atomic axiom is GS1p with the formulas A and ¯A in the ...
#X E, hence the conclusion follows by applying contraction on the lighter formula. Vx(Cx D B) and then the rule L3D. The cases with A = VxCx and A = 3xCx are ...
May 27, 2020 · ... contraction rule and proving that the contraction rule is height-preserving admissible. This means that given a derivation of X,A,A ...