(faig-restrict-alists x sigma) substitutes into a list of FAIG alists.
(faig-restrict-alists x sigma) → *
Function:
(defun faig-restrict-alists (x sigma) (declare (xargs :guard t)) (let ((__function__ 'faig-restrict-alists)) (declare (ignorable __function__)) (if (atom x) nil (cons (faig-restrict-alist (car x) sigma) (faig-restrict-alists (cdr x) sigma)))))