Section: Social Complexity

Subsection: Writing Systems

Mnemonic Device

Talking about writing systems, mnemonic devices are: for example, tallies (See here)

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Variable	Definition
Polity	The Seshat Polity ID
Year(s)	The years for which we have the data. [negative = BCE]
Tag	[Evidenced, Disputed, Suspected, Inferred, Unknown]
Verified	A Seshat Expert has approved this piece of data.

Variable	Definition
mnemonic_device	The absence or presence of mnemonic device for a polity.

Actual Data:

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#	Polity	Year(s)	Mnemonic Device	Description	Edit
21	(Ilkhanate)	Full Year Range of Ilkhanate is assumed. [1256, 1339]	unknown	None
22	(Pre-Ceramic Period)	Full Year Range of Pre-Ceramic Period is assumed. [-7800, -7200]	unknown	None
23	(Safavid Empire)	Full Year Range of Safavid Empire is assumed. [1501, 1722]	unknown	None
24	(Sasanid Empire I)	Full Year Range of Sasanid Empire I is assumed. [205, 487]	unknown	None
25	(Ottoman Empire III)	Full Year Range of Ottoman Empire III is assumed. [1683, 1839]	present	None
26	(Great Yuan)	Full Year Range of Great Yuan is assumed. [1271, 1368]	present	None
27	(Neguanje)	Full Year Range of Neguanje is assumed. [250, 1050]	unknown	None
28	(Ayyubid Sultanate)	Full Year Range of Ayyubid Sultanate is assumed. [1171, 1250]	present	None
29	(Badarian)	Full Year Range of Badarian is assumed. [-4400, -3800]	absent	None
30	(Sui Dynasty)	Full Year Range of Sui Dynasty is assumed. [581, 618]	present	None

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