26 oct 1302 año - Ramon Llull
Descripción:
Developed the logic of "Ars Magna"
The idea of a formal language
The idea of a logical rule
The computation of combinations
The use of binary and ternary relations
The use of symbols for variables
The idea of substation for a variable
The use of a machine for logic
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fecha:
26 oct 1302 año
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