The one–one principle: Each item in the set is assigned one and only one numeron.

As the rulers of the old Roman capital, the capital of the Caliphs, Baghdad, and the Holy Cities of Mecca, Medina and Jerusalem they had ample support to convince a medieval audience of their claim to universal suzerainty. But even among Muslim states, their imperial claims did not go unchallenged. The Safavid and Mughal Empires raised similar claims to suzerainty.

[W]e but teach / Bloody Inſtructions, which, being taught, returne / To plague th' Inuentor. This euen-handed Iuſtice / Commends th' Ingredience of our poyſon'd Challice / To our owne lips.

The useful stimulating qualities of these herbs as a cure for paronychia, may have been further recommended by the resemblance of the seed-pod to the whiteflaw, or inflamed vesicle, which it was intended to allay.