Full Idea
It is only when we say a proposition that we speak truly or falsely.
Gist of Idea
It is only when we say a proposition that we speak truly or falsely
Source
Sextus Empiricus (Against the Professors (six books) [c.180], 8.74)
Book Reference
'The Hellenistic Philosophers:Vol.1 translations', ed/tr. Long,A. /Sedley,D. [CUP 1987], p.203
A Reaction
This makes assertions truth-bearers, rather than propositions. But a proposition can be true or false if it is stamped with a date and/or place. "Shakespeare was born in Stratford on 23rd April 1664". No one needs to assert that.