Assertion: caliph's power | /r/HasProperty | wielded by the mamluk generals
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Source sentences:
text: Although the caliphate was maintained as a symbol of legitimate authority, the actual power was wielded by the Mamluk generals; and by the 13th century, Mamluks had succeeded in establishing dynasties of their own, both in Egypt and in India , in which the sultans were necessarily men of slave origin or the heirs of such men.