'Machina Ratiocinatrix' is a term used by Norbert Wiener in the introduction to his book "Cybernetics, or Control and Communication in the Animal and the Machine".
Machina Ratiocinatrix is an implementation of environment for multi-entity language games conducted by a human philosopher. It has been built for the purpose of exploration of known and yet unknown (but investigated in the process of the game) abilities of contemporary machines, imitating Abstract Intellect (AI).
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