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Ideas for 'Content Preservation', 'On the Pragmatics of Communications' and 'First-Order Modal Logic'

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5. Theory of Logic / F. Referring in Logic / 3. Property (λ-) Abstraction

9725	'Predicate abstraction' abstracts predicates from formulae, giving scope for constants and functions [Fitting/Mendelsohn]
	Full Idea: 'Predicate abstraction' is a key idea. It is a syntactic mechanism for abstracting a predicate from a formula, providing a scoping mechanism for constants and function symbols similar to that provided for variables by quantifiers.
	From: M Fitting/R Mendelsohn (First-Order Modal Logic [1998], Pref)