Why doesn't FriCAS contain a command "validLogarithm" (EFSTRUX)?

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IV

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May 12, 2019, 12:28:37 PM5/12/19
to FriCAS - computer algebra system
Hallo,

the command "validExponential" from package EFSTRUX (Elementary Function Structure Package) applies Risch's Structure theorem for Elementary functions. The theorem checks if a given exponential or logarithm function is algebraic over a given elementary extension field. But why doesn't FriCAS contain a command "validLogarithm"?

Thanks.
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