Ideas from 'Existence and Quantification' by Willard Quine [1966], by Theme Structure
[found in 'Ontological Relativity and Other Essays' by Quine,Willard [Columbia 1969,0-231-08357-2]].
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4. Formal Logic / D. Modal Logic ML / 1. Modal Logic
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5745
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Quine says quantified modal logic creates nonsense, bad ontology, and false essentialism [Melia]
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5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic
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8789
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Various strategies try to deal with the ontological commitments of second-order logic [Hale/Wright]
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7. Existence / A. Nature of Existence / 3. Being / b. Being and existence
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16966
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Philosophers tend to distinguish broad 'being' from narrower 'existence' - but I reject that
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7. Existence / A. Nature of Existence / 6. Criterion for Existence
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16965
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All we have of general existence is what existential quantifiers express
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7. Existence / D. Theories of Reality / 11. Ontological Commitment / b. Commitment of quantifiers
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16963
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Existence is implied by the quantifiers, not by the constants
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7. Existence / D. Theories of Reality / 11. Ontological Commitment / c. Commitment of predicates
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16964
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Theories are committed to objects of which some of its predicates must be true
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7. Existence / D. Theories of Reality / 11. Ontological Commitment / d. Commitment of theories
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4216
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Express a theory in first-order predicate logic; its ontology is the types of bound variable needed for truth [Lowe]
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18966
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Ontological commitment of theories only arise if they are classically quantified
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7. Existence / D. Theories of Reality / 11. Ontological Commitment / e. Ontological commitment problems
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14490
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You can be implicitly committed to something without quantifying over it [Thomasson]
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7. Existence / E. Categories / 1. Categories
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16961
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In formal terms, a category is the range of some style of variables
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