5. Since premises are to be related to their conclusion through cause and effect, they must be as ''necessarily'' true as the desired necessary truth of the conclusion would demand: either ''rigorously proven'' themselves or ''self-evident'', without the truth or its necessity narrowing as it goes down the syllogistic chain to the point where it could no longer apply to the conclusion. | 5. Since premises are to be related to their conclusion through cause and effect, they must be as ''necessarily'' true as the desired necessary truth of the conclusion would demand: either ''rigorously proven'' themselves or ''self-evident'', without the truth or its necessity narrowing as it goes down the syllogistic chain to the point where it could no longer apply to the conclusion. |