Tuesday, 16 November 2010

which context are you ? opaque or transparent

opaque context
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.

transparent context

an expression in which any term may be replaced by another with the same reference without changing its truth-value

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