intensionaladj.
/ɪnˈtɛnʃənəl/ Philosophy.
Related or pertaining to the intension, or the attributes contained in a concept. Cf. extensional adj. 2.
ΘΚΠ
the mind > mental capacity > philosophy > logic > logical classification > [adjective] > relating to logical intension
comprehensive1725
intensive1798
intensional1883
intensionalist1948
1883 F. H. Bradley Princ. Logic 162 Dismissing for the present the intensional reading, let us consider interpretation in Extension.
1903 B. Russell Princ. Math. vi. §66. 67 Thus every predicate (provided it can be sometimes truly predicated) gives rise to a class. This is the genesis of classes from the intensional standpoint.
1949 S. I. Hayakawa Lang. in Thought & Action (1952) xv. 253 By intensional orientation, ‘capitalist’, ‘Bolsheviks,’, ‘farmers’, and ‘working men’ ‘are’ what we say they are.
1956 A. Church Introd. Math. Logic (rev. ed.) I. 28 We shall not have occasion to use variables whose values are propositions, but we would suggest the term intensional propositional variable for these.
1970 Philos. Q. XX. 52 The star notation can be made the groundwork of a system of intensional propositional logic in which a wide class of formal principles can be proved.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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adj.1883