opaque context


Also found in: Wikipedia.
Related to opaque context: Referentially opaque

opaque context

n
(Linguistics) philosophy logic an expression in which the replacement of a term by another with the same reference may change the truth-value of the whole. John believes that Cicero was a Roman is opaque, since even though Cicero and Tully are the same person John may know that the given statement is true but not that Tully was a Roman. Compare transparent context See also intensional, Electra paradox
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
These sorts of 'opaque contexts' present difficulties to any approach suggesting that an extensional truth theory can function as a meaning theory, for the embedded sentences seem to be contributing something more than their truth conditions.
The contrast between these two aspects is discussed with reference to opaque contexts ("Pip believes ...") and then embedded into a discussion of definite description by Russell.