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by wanderingstan 2366 days ago
Even in German, appears the term was closer to "formal system", not "programming language".

"Kalkül is the German term for a formal system—as in Hilbert-Kalkül, the original name for the Hilbert-style deduction system—so Plankalkül refers to a formal system for planning.[2]"

1 comments

Kalkül is calculus. (E.g. Lambda-Kalkül)
A calculus is a formal system.