A sentence can be a proposition without our knowing whether it is true. “It is raining today” asserts something testable. “Is it raining today?” asks for information instead. First decide whether there is an assertion; then consider its truth.
Opening interactive controls...
Assertive form and truth are different questions
Propositions: Categorical and Conditional Forms
A sentence can be a proposition without our knowing whether it is true. “It is raining today” asserts something testable. “Is it raining today?” asks for information instead. First decide whether there is an assertion; then consider its truth.