fifth that the evidence is composed of a substance and an accident and it is an organ just as the abundant fat on the heart is used as evidence that its benefit is to moisten the heart with oiliness so that it does not dry out due to the strength of its heat with its constant movement.
الخامس أن يكون المستدل به مركبا من جوهر وعرض، وهو عضو وذلك كما يستدل بالشحم الكثير الذي على القلب أن فائدته ترطيب القلب بالدهنية فلا تجف لقوة حرارته مع دوام حركته.