The following is intended to be a fairly comprehensive set of notes from Michael Loux's _Metaphysics_ (2002). ********* Chapter 1 ********* Universals overview: realism --- where objects are similar or agree in attribute, there is some one thing they share; objects instantiate, exhibit, or exemplify properties, qualities, attributes; opposed to nominalism universals --- these shared, repeatable properties, qualities and attributes are universal; contrasted with particulars; properties are one-place universals; relations are many-place; kinds are things particulars belong to rather than possess ontology --- realists admit universals (not just particulars) in their ontology because (among other reasons) they are used to explain subject-predicate discourse and abstract reference Predication and abstract reference: predication --- a satisfactory analysis of "Socrates is courageous" must explain the referential force of "courageous" (as in "Socrates exemplifies the universal courage"); predicates refer to universals abstract reference --- realists also claim that universals give us the resources for explaining abstract singular terms (e.g., triangularity, wisdom, mankind, courage) and sentences like "the tomato and the fire engine have the same color" Restrictions: which universals --- not all predicates correspond with universals exemplification paradoxes --- the predicate "does not exemplify itself" leads to self-referential problems; regress when analyzing the predicate "exemplifies"; only some find these problematic defined predicates --- universals may be restricted to only undefined predicates, where defined predicates are things like conjunctions and negations (e,g., bachelor, unmarried); holists about universals think that any such restriction will leave us without some of the universals we need (Wittgenstein's game example) uninstantiated properties --- Aristotelian realists believe there are no universals corresponding to uninstantiated properties (universals in things); Platonic realists believe there are universals corresponding to uninstantiated properties (universals before things); nominalists think universals are just words (universals after things) Platonic/Aristotelian --- critics of Platonic realism say properties, kinds, relations need to be anchored in the spatiotemporal world; Platonists argue that if instantiated properties need be universals by similar argument so do uninstantiated ones (all properties are necessarily properties, not just instantiated ones) ********* Chapter 2 ********* Nominalism overview: nominalists --- deny that there are universals, generally because of a belief that metaphysics should be a simple theory austere nominalism --- there are only concrete particulars; claims which seem to be about universals are really just about particulars metalinguistic nominalism --- claims apparently about universals are ways of talking about linguistic expressions trope theory --- there are properties/qualities, but these are particulars (not multiply instantiated) motivation for nominalism includes --- not wanting to except "paradoxes" of multiple instantiation (e.g., "the color red is 5 miles from itself"); no noncircular account of universals possible; constructing simplest theory Austere nominalism: universals not needed --- austere nominalist claims an ontology of concrete particulars alone provides resources for dealing with all of the phenomena which one might otherwise use universals to explain no problem with predication --- need not appeal to universals to explain predication; what makes a subject-predicate sentence of the form 'a is F' true is just that a is F', not that there is some universal F translate talk which seems to be about universals --- 'red is a color' can be translated to 'red objects are colored objects'; 'tomatoes and fire engines are the same color' as 'they agree colorwise' difficulties with austere nominalism --- many things must be taken as unanalyzable primitives; account of sentences is not general; simpler theory is more unwileldly Metalinguistic nominalism: metalinguistic --- sentences incorporating abstract referring devices aren't really about objects; they are about linguistic expressions used to talk about objects; talk about universals is just talk about the elements of language Carnap -- talk about triangularity is really talk about the general term 'triangular'; to say 'is a property' or 'is a relation' is really just to say the term is an adjective or the term is a many-place predicate difficulties with Carnap --- distinction of type/token; sounds like translation from one language to another will be a problem (although Sellars introduces a dot notation to avoid this) Trope theory: trope theorists --- in addition to concrete particulars there are (singly exemplifiable) attributes; there are colors, shapes, etc and these are particulars; the red color of a particular ball is unique to it alone D.C. Williams --- the sense in which two lollipops have the same shape is not the same as the sense in which two brothers have the same father why add tropes --- immediate objects of perceptual awareness are colors, smells, sounds, shapes, etc names --- abstract single terms are names difficulty with trope theory --- the set of tropes that "being a unicorn" is associated with is the same as the set of tropes that "being a griffin" is associated with; sets have their members necessarily ********* Chapter 3 ********* Particulars overview: two common accounts of particulars --- substratum theory and bundle theory substratum theory --- concrete particular is whole of various properties and an underlying subject/substratum that has an identity independent of the properties (bare particular) bundle theory --- concrete particular is a bundle of properties with no substratum Aristotelian substance theory --- some familiar concrete particulars are taken as ontologically fundamental entities; this is a compromise as there is not a bare particular, but there is something besides just properties For and against bundle theory: for --- bare particulars of substratum unacceptable to empiricists because they can't be seen; bare particulars also paradoxical as they both have and don't have attributes at the same time some objections --- bundle theory unattractive to those who say it cannot explain what holds properties of a particular together or subject-predicate claims and that it leads to the identity of indiscernibles (impossible for two different particulars to have the same properties) predication --- substrata are needed to explain predication; according to substratum theory, a small red ball must be something which has the properties small, red, and ball; this bare thing itself is not itself small, red, ball; it is under or supports these attributes identity through change --- bundle theory cannot accommodate intuition that familiar object remains identical through change; if object just is properties, it doesn't seem it is the same object after these properties have changed identity of indiscernibles --- bundle theory seems to not allow for distinct multiply exemplifiable entities For and against substratum theory: for --- substrata provide a way to differentiate between objects which are numerically different but agree in all pure properties (two identical objects); substrata provide a way to explain predication (although perhaps there are problems here) against --- substrata actually don't explain predication; they introduce the paradox of both having and not having attributes at the same time; the idea of having a bare entity seems deeply flawed Aristotelian substance: third option --- need not accept bundle or substratum; instead take (some) concrete particulars as basic/fundamental entities; concrete particulars cannot be built out of colors, shapes, etc; both substratum and bundle get the constituent-whole relation wrong compared with bundle theory --- Aristotelians agree that the being of a concrete particular is grounded in the attributes associated with it; but disagree by not taking all attributes as equally part of an object's being and by considering kinds as well as properties compared with substratum theory --- agree that attributes of a particular require a substratum; but disagree by not thinking this is bare essences --- Aristotelians as taking some properties to be essential (necessary) to an object's being; bundle theorists as ultraessentialists; substratum theorists as antiessentialists; Leibniz as individual essences kind --- like a set but prior to its members, a class, a noun; kinds identify the core being or essence of (natural) particulars; unlike properties, kinds instantiate numerically different particulars ousia --- natural/living concrete particulars are basic/unanalyzable substances (ousia) reduction presents difficulty --- if the threat of reduction is genuine, Aristotelian can't treat substances (i.e., living things) as primitive and must explain their parts (macroscopic and/or microscopic) ********* Chapter 4 ********* Propositions overview: propositions --- language/mind-independent abstract entities that realists admit to their ontologies to function as the objects of acts of assertion/denial and acts of thinking; propositions are referents of that-clauses and primary bearers of truth values against propositions --- work of propositions can be done by reference to sentences; Prior's redundancy theory of truth (talk apparently about propositions is really about concrete objects); Russell's multiple relation theory; Putnam and others from phil mind/language try to undermine realism about propositions beyond propositions --- other entities include facts (things in the world corresponding to what makes a proposition true), states of affairs (situations that have essentially the property of obtaining or failing to obtain), and events (things that happen) Realism about propositions: explanatory role --- when a speaker says "Socrates is courageous" the speaker is making an assertion, or asserting some thing (namely a proposition); adding such things to an ontology plays an explanatory role bearers of truth --- to say a sentence is true/false is to mean that the proposition it expresses is true/false substitution --- substitution in that-clauses (nominalizations) is not truth-preserving, as in "Clark is Superman", "Lois believes that Superman can fly", but not "Lois believes that Clark can fly" disagreements --- realists about propositions have internal disagreements; some hold that propositions have truth values eternally, others that they vary over time; some believe propositions serve as the meanings of declarative sentences (so two statements can have the same reference but different meanings), while others don't Nominalism about propositions: against realism --- nominalists charge the usual arguments of bloated ontologies, mysterious abstract entities, Ockham's razors; instead nominalists argue that claims about propositions are really disguised ways of making metalinguistic claims, claims about the objects themselves, or claims about beliefs metalinguistic nominalism --- claims that appear to be about propositions are actually just about sentences (properly indexed and with Sellars' dot quotation to cut across different languages) concrete objects --- according to Prior talk about propositions is about familiar concrete objects; talk about the proposition that the moon is made of green cheese is simply talk about the moon; Prior uses Ramsey's redundancy theory of truth (the concept of truth is redundant as to assert that p is true is simply to assert that p) difficulties with Prior's account --- Prior's notion of "believes that" seems to work when there is a fully specified that-clause, but not in cases like "Sam believes everything Peter says"; to this Prior replies by introducing variables and quantification ("For all p, Peter says p => Sam believes that p"); still Prior has an easy way to deal with "There are truths for which there is no linguistic expression and there are falsehoods for which there is no linguistic expression" Russell's nominalism --- mental acts are the primary bearers of truth values; Othello's belief that Desdemona loves Cassio should not be analyzed as a relationship between Othello and the abstract entity picked out by "that D loves C", but rather that belief here is a four place relation operating on Othello, loving, D, and C Facts, states of affairs, events: facts --- facts are those things in the world that make propositions true; they are the things that are the case states of affairs --- situations that obtain or fail to attain (e.g., Clinton's being a slow runner, nine being prime); some claim there is a 1-1 correspondence between propositions and states of affairs; for a proposition to be true is for the world to be such that the state of affairs it determines obtains Chisholm's events --- Chisholm takes states of affairs as primitive; states of affairs which obtain (or fail to obtain) all the time as propositions; states of affairs which only sometimes obtain are events (things which can recur); events are particulars, namely a state of affairs at a given time; events are repeatable general states individuated by the content they present to cognitive beings Kim's events --- an event is a particular contingent thing's exemplifying a property at a time; events have structure (thing, property, time) Davidson's events --- events are particulars that can be described in all sorts of ways; events provide accounts of adverbs and function as terms of the causal relation; events are structureless particulars that get individuated by their causal histories ********* Chapter 5 ********* Modality overview: possible worlds --- the idea of a plurality of possible worlds as the tool for clarifying modality de dicto and de re --- de dicto is modality (necessity/possibility) of a proposition (e.g., "Necessarily there are nine planets"); de re is about objects (e.g., "Two plus seven is necessarily nine") appeal of possible worlds --- possible worlds (with set theory) may provide the tools for a reductive nominalism with an ontology of just particulars and sets (Lewis); possible worlds can be taken as one of many interrelated concepts that can be used to clarify each other (Plantinga) extensionality --- modality presents a problem to standard logics because paradoxes arise from different truth values when substituting propositions Possible worlds: semantics --- a proposition p is necessary just in case p is true in all possible worlds W; an object j is necessarily k just in case the proposition 'j is k' is true in all possible worlds W where j exists propositions --- a proposition p is understood as the set of possible worlds where the proposition p is true Lewis/nominalism: other worlds --- just more things of the same kind as the actual world; a complete or total way things might have been; all the objects in these worlds are fully real; the actual world is just the possible world which is "here" world-bound individuals --- according to Lewis there are no transworld individuals; the same object cannot be in multiple worlds, as this goes against the indiscernibility of identicals (e.g., "X in w1 is pale while X in w2 is tan"; this can be resolved by saying "X is pale-in-w1", but this leaves pale simpliciter undefined) counterparts --- if individuals are world-bound, there needs to be a way to make sense of intuition that when we say "I could have done otherwise" we mean the same "I" in another world; Lewis's solution is a counterpart relation of similarity/resemblance; counterpart is the "you of another world" difficulties with Lewis --- counterpart may not actually satisfy intuition of sameness; all worlds/objects fully real seems mysterious; propositions as sets seems hard to believe; theory may not have explanatory power it claims to have Plantinga/actualism: actualism --- the only things that exist are the entities of the actual world (Plantinga); contrast with possibilism (Lewis) that there exist possible, nonactual objects non-reduction --- possible worlds not serve to reduce the modal to the nonmodal, but that the possible world is part of the network of the useful framework of modal concepts states of affairs --- all possible worlds are states of affairs and exist, but only one world (the actual) obtains (and contains objects which exist); for Plantinga embracing possible worlds does not commit us to the existence of things in other worlds (though Lewis' account does) abstract --- Plantinga's possible worlds are abstract entities, while Lewis' are concrete particulars transworld identity --- objects (the same objects) can exist (and have objects) in multiple worlds (needed to make an essence-accident distinction, as otherwise every object would have all of its properties essentially); avoids problem with indisc of ident by having world-indexed properties, where the property simpliciter is understood as the property in the actual world difficulties with Plantinga --- still seems odd to say that the same individual is in multiple worlds; idea of individual essences (Leibniz) is hard to accept ********* Chapter 6 ********* Persistence overview: endurantism/perdurantism --- according to endurantism for a concrete particular to persist through time is for it to exist wholly at different times (3D); for pedurantism a concrete particular is a whole made up of different temporal parts/phases/stages/slices and is larger than the part of that particular which exists at a given moment (4D) presentism/eternalism --- according to presentism, only what exists now is real; according to eternalism, all times and their contents are equally real; often presentism parallels endurantism while eternalism parallels perdurantism parallel actualism/possibilism --- recall that actualism recognized only the actual world as real (like presentism), while possibilism took all worlds and contents to be equally real (like eternalism); similarly, both possibilism and perdurantism exclude transworld/time individuals; the full parallel here is 3D/endurantism/presentism/actualism vs 4D/perdurantism/eternalism/possibilism scattered objects --- for perdurantists there is a material object for every filled region of spacetime (even one as strange as the mereological sum of Joe before 1980 and Ed's earlobe after 1980); there are infinitely many ways of cutting up the 4D material world into material objects; familiar objects are those with relations of spatiotemporal proximity, similarity, causation; endurantists deny such scattered objects entirely Change in properties: argument for perdurantism --- endurantist account does not explain persistence through change, as they tree in the fall would not be the same as the tree in the spring because they are qualitatively discernible; perdurantists believe their account preserves indisc of ident and our beliefs about persistence through change; the "two" trees are the same because the are both temporal slices of the whole tree parallels possibilism/actualism --- recall according to possibilism we had world-indexed objects while in actualism we had world-indexed properties; here for perdurantism we have time-indexed objects while for endurantism we have time-indexed properties; similar arguments about properties simpliciter are raised by the perdurantist against endurantism Change in parts: argument for perdurantism --- endurantist account does not explain persistence through change in parts Descartes-Minus --- suppose Descartes loses a hand at time t, there's Descartes-before-t = Descartes-after-t, but there's also Descartes-minus-before-t = Descartes-after-t, so Descartes-minus-before-t = Descartes-before-t (Heller, Van Inwagen) sameness --- Chisholm (following Butler) says there are two senses of the word "same", the "strict and philosophical" sense and the "loose and popular" sense; Geach says there are multiple identity relations, namely "the same F" ********* Chapter 7 ********* Anti-Realism overview: Realism (traditional) --- there is a mind-independent world about which we form beliefs and make statements which are true just in case they correspond to the world they are about (thought/language independent of the world) anti-Realism --- reality is construed in part by our conceptual activities; semantic arguments for anti-Realism include Dummett's (semantics underlying Realism fail to account for meaning of undecidable statements), Quine's (inscrutability of reference) anti-Realists --- many different kinds of anti-Realists; phenomenalists (Berkeley, external world only exists in mind of perceivers); Kant (things as they appear to us are constituted in part by our ways of experiencing them); pragmastists (truth is analyzed in terms of evidence and other epistemological concepts); language (Dummett & Putnam, Realism rests on untenable semantic grounds, for Dummett this is shown with unknowable statements, for Putnam with all statements) Dummett: truth --- Dummett rejects the truth-conditional theory (for a statement to be true is for the state of affairs that is its truth condition to obtain) in favor of an epistemic theory of meaning (meaning understood in terms of evidence, justification, etc); for Dummett truth is warranted assertability; a statement is true if it is justifiable, so the world/truth depends upon the mind/evidence unknowable statements --- Dummett believes unknowable statements are a problem for Realists who maintain that to understand a statement is to know the state of affairs which is its truth condition because we can understand what unknowable statements are saying without knowing their truth conditions (manifestation and acquisition arguments) Quine and Putnam: indeterminacy of radical translation --- cannot determine translations between different languages (gavagai) inscrutability of reference --- indeterminacy holds even within a language reference-fixing --- must fix references to a language/theory to avoid inscrutability of reference Putnam on Quine --- inscrutability of reference shows Realism's two sets of corresponding objects (linguistic items and mind-independent items) is incoherent; for any statement there is not a one-to-one correlation to the objects the statement, rather a statement about "cat" could be about cats, cat-hood, or even fish; reference must always be relative to some background structure so the idea of mind-independent objects is incoherent