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This does not seem very likely, because earlier than this people did not really need a writing system. More precisely, they had no reason to believe that a writing system would be useful, so there was no pressure to invent one. In Mesopotamia we can see the evolution over many hundreds of years and even a few millennia from an accounting system that used a few symbols for the things that were recorded, to a full fledged writing system that was able to record any spoken sentence. Before the societies of Mesopotamia and Egypt, which required a complex management of the available resources, there was no need for accounting with written records for great quantities of varied goods. It is likely that for tens of thousands of years people have been able to make drawings that recorded useful things, like maps, and they probably have used some sets of symbols for various important things, like kinds of humans, kinds of animals, kinds of plants and so on. Nevertheless, it is very unlikely that any such set of symbols used in the distant past has ever been able to record any complete sentence spoken in their language, with all the grammatical markers that do not have a concrete meaning. |