quale See QUALIA. qualia (singular: quale), those properties of mental states...

qualisign See PEIRCE.

qualitative identity See IDENTITY. qualitative predicate, a kind of predicate postulated in...

qualities properties or characteristics. There are three specific philosophical senses. (1)...

quality See SYLLOGISM.

quantification the application of one or more quantifiers (e.g., 'for all...

quantificational shift fallacy See FORMAL FALLACY.

quantification theory, elementary See FORMAL. LOGI.

quantifier See FORMAL LOGIC, PLURALITIVE LOGIC.

quantifier elimination See UNIVERSAL INSTANTIA -. TIO.

quantifier shift fallacy See FORMAL FALLACY.

quantifying in use of a quantifier outside of an opaque construction to...

quantity See MAGNITUDE, SYLLOGISM.

quantum logic the logic of which the models are certain non-Boolean algebras...

quasi-indicator Castañeda's term for an expression used to ascribe indexical reference...

quasi-quotes See CORNERS.

quaternio terminorum See SYLLOGISM.

quiddity See AVICENNA, ESSENTIALISM.

Quine W(illard) V(an) O(rman) (b.1908), American philosopher and logician, renowned for...

quinque voces See PREDICABLES.