The proposition 'all things are non-eternal, because they are knowable' is fallacious because

AThe middle term is non-exclusive ✓ Correct

BThe middle term is too narrow

CThe middle term is too wide

DThe middle term is undistributed

Correct answer: (A) The middle term is non-exclusive

Explanation

The fault is that the middle term 'knowable' is non-exclusive.

Knowability belongs alike to eternal and to non-eternal things.

A mark shared by both the probandum's class and its opposite cannot single out non-eternity.

Such a middle wanders across positive and negative instances, giving no fixed conclusion.

This inconclusive, non-exclusive middle is the savyabhichara (anaikantika) fallacy.

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