Subject-predicate calculus free from existential import

Studia Logica 42 (2-3):209-221 (1983)
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Abstract

Two subject-predicate calculi with equality,SP = and its extensionUSP =, are presented as systems of natural deduction. Both the calculi are systems of free logic. Their presentation is preceded by an intuitive motivation.It is shown that Aristotle's syllogistics without the laws of identitySaP andSiP is definable withinSP =, and that the first-order predicate logic is definable withinUSP =.

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References found in this work

On Denoting.Bertrand Russell - 1905 - Mind 14 (56):479-493.
Some things do not exist.R. Routley - 1966 - Notre Dame Journal of Formal Logic 7 (3):251-276.
Quantification theory and empty individual-domains.Theodore Hailperin - 1953 - Journal of Symbolic Logic 18 (3):197-200.
Syllogistic without existence.John Bacon - 1967 - Notre Dame Journal of Formal Logic 8 (3):195-219.
A theory of restricted quantification I.Theodore Hailperin - 1957 - Journal of Symbolic Logic 22 (1):19-35.

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