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potentially spoken by p at t if and only if p is sick at t." But this is unsatisfac-
tory in each of several ways,5 not least in that speaker and time of utterance
are not the only contextual factors that affect truth-value. (Recall "This is a
fine red one.") We shall return to this issue in chapter 11.6
Objection 4
A Davidsonian truth definition has a hard time distinguishing expressions
that happen to coextend (that is, to apply to exactly the same range of ref-
erents) but without being mutually synonymous (Reeves 1974; Blackburn
1984). Consider two single vocabulary items that differ in meaning but that
happen to have exactly the same extensions. The standard example of this is
the words "renate" and "cordate," meaning respectively "creature with kid-
neys" and "creature with a heart."7 A Davidsonian truth theory will not be
Truth-Condition Theories: Davidson's program 121
annaabi.ee 
