logic test #1

truth or falsity of a statement is found in the mind or brain

the truth or falsity of the statement can't be otherwise (either necessarily true or necessarily false)

a necessarily true statement

a necessarily false statement

from before

the grammatical subject is contained in the grammatical predicate

truth or falsity of a statement is found in the world

the truth or falsity of a statement depends on the conditions that exist in the world.

from after

the grammatical subject is not contained in the grammatical predicate

any statement that does not contain a contradiction is logically possible

have truth value

is a set of statements called premises offered in support of conclusions

statements cannot be proven true or false