1. Proposition: I have a black car.
Truth Value: True.
Truth Conditions: For this to be true, I would need to own a black car.
Entailment: “I have a black car” entails “The color of my car is dark”.
2. Proposition: I have two dogs.
Truth Value: False
Truth Conditions: For this to be true, I would need to own two dogs.
Entailment: “I have two dogs” entails “I have at least one dog”.
3. Proposition: Life exists on planets other than Earth.
Truth Value: Unknown.
Truth Conditions: For this to be true, there would need to be life that exists on planets other than Earth.
Entailment: “Life exists on planets other than Earth” entails “There is life on Mars”.