Answer:
Explanation:
a. Sheep have four legs. - This is a proposition because it is a declarative sentence that can be evaluated as true or false. In this case, it is false because sheep have only two legs.
b. Do giraffes have four legs? - This is not a proposition because it is an interrogative sentence, asking a question. It cannot be evaluated as true or false.
c. Alicia is good at Mathematics. - This is a proposition because it is a declarative sentence that can be evaluated as true or false. However, without more information, we cannot determine its truth value.
d. I think my favorite team will win. - This is not a proposition because it is expressing a belief or opinion. It cannot be evaluated as true or false.
e. Vicki is very clever. - This is not a proposition because it is expressing an opinion or subjective judgment. It cannot be evaluated as true or false.
f. There are 7 days in a week. - This is a proposition because it is a declarative sentence that can be evaluated as true or false. In this case, it is true because there are indeed 7 days in a week.
g. Put your shoes on. - This is not a proposition because it is a command or directive, not a statement that can be evaluated as true or false.
h. All cows are brown. - This is a proposition because it is a declarative sentence that can be evaluated as true or false. However, without more information, we cannot determine its truth value.
i. a² + b² = c² - This is not a proposition because it is an equation, not a statement that can be evaluated as true or false.
j. The opposite sides of a parallelogram are equal in length. - This is a proposition because it is a declarative sentence that can be evaluated as true or false. In this case, it is true because it is a property of parallelograms.