There were many such attempts since Raymond Lull, and even Descartes toyed the notion for a while, but I'd more readily think of Leibniz's Characteristica Unive

There were many such attempts since Raymond Lull, and even Descartes toyed the notion for a while, but I'd more readily think of Leibniz's Characteristica Universalis, whose intent was to outright reduce language processing to calculation.