An approximation space (U, R) placed in a type-lowering retraction with 2(UxU) provides a model for a first order calculus of relations for computing over lists and reasoning about the resulting programs. Upper and lo...
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ISBN:
(纸本)3540140409
An approximation space (U, R) placed in a type-lowering retraction with 2(UxU) provides a model for a first order calculus of relations for computing over lists and reasoning about the resulting programs. Upper and lower approximations to the scheme of primitive recursion of the Theory of Pairs are derived from the approximation operators of an abstractapproximation space (U, lozenge : u right bar arrow U[U](R), square : u right bar arrow boolean AND[u](R)).
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