Combining Texts

Ideas for 'W.V. Quine', 'An Introduction to Modal Logic' and 'Action, Intention and Reason'

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3 ideas

5. Theory of Logic / G. Quantification / 1. Quantification

8452	Traditionally, universal sentences had existential import, but were later treated as conditional claims [Orenstein]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

8475	The substitution view of quantification says a sentence is true when there is a substitution instance [Orenstein]

5. Theory of Logic / K. Features of Logics / 4. Completeness

9544	A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]