Question

which of the following terms refers to the view that the best test of a truth of an argument is its ability to compete with other ideas?
the symbolic nature of language
none of the above
democracy
the marketplace theory of ideas

Explanation:

The marketplace theory of ideas posits that the validity of an argument is tested by its ability to compete with other ideas in an open "market" of discourse. The symbolic nature of language refers to language using symbols to represent meaning, democracy is a political system, so neither matches the definition provided.

Answer:

D. The marketplace theory of ideas