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What objects do you encounter in your daily life that provide evidence that our Sun is not a first-generation star; meaning that it was not one of the first stars that formed after the Universe came into existence? Explain your answer.
Subcontrary Propositions
In traditional logic, propositions that cannot both be false but can both be true.
Existential Import
The assumption within a statement that asserts the existence of the subject matter it mentions.
Affirmative Subalternate
A proposition that is universally affirmative, implying a particular affirmative proposition as well.
Subcontraries
In the traditional square of opposition, a pair of propositions that, in virtue of their logical form, could both be true but could not both be false (I and O).
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