use c# instread of lisp and prolog

hi. we know prolog and lisp as scripting languages for ai but as we see there is no commercial use of them in programs and games. and most of apps and games use c family or java and… and lisp and prolog are just used for scientific uses and they are just used to work with logical statements and… i believe you can simply define those statements in a language like c# and have the use of lisp and prolog. as an ai programer for games do i lose anything if i forget about lisp and prolog or they give something that i dont know. thanks for your help.

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