Arystoteles

znalezionych: 19843, strona 1000 z 1985
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follows from these premisses. But if the minor premiss is negative,

when it is problematic a syllogism is possible by conversion, as

above; but when it is necessary no syllogism can be formed. Nor

again when both premisses are negative, and the minor is necessary.

The same terms as before serve both for the positive