Truth-Apt

A statement is truth-apt if it’s the kind of thing that can be evaluated as true or false.

Why does this matter?

Only truth-apt statements can serve as premises or conclusions in an Argument.

Truth-aptNot truth-apt
“The lake is blue.”“Close the door.”
“2 + 2 = 4.”“Is it raining?”
“Vaccines cause autism.” (false, but still truth-apt)“Wow!”

The first norm in Norms of Assertion requires what you assert to be truth-apt.