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17 jul 1275 ano - Ramon Llull, Spanish theologian invents the Ars Magna, a tool for combining concepts mechanically, based on an Arabic astrological tool, the Zairja. The method would be developed further by Gottfried Leibniz in the 17th century.

Adicionado na linha do tempo:

Data:

17 jul 1275 ano
Agora
~ 750 years ago