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When I use Quantity Variables the online notebook can not solve PythagoreanTheorem f=FormulaData["PythagoreanTheorem"] /. { QuantityVariable["a","Length"]->QuantityVariable["l","Length"], ...
I want solve next formula for QuantityVariable["t","Time"] f = FormulaData["PythagoreanTheorem"] /. { QuantityVariable["a","Length"]->QuantityVariable["l","Length"], QuantityVariable["b","Length"]->QuantityVariable["t","Time"] *...
Your answer is not correct. I find next topic https://reference.wolfram.com/language/guide/FormulaManipulation.html where in section `Extracting Parts of Formulas` is link to https://reference.wolfram.com/language/ref/Part.html So correct answer is ...