LISP _ _ _ _ _ _ _ _ _ _ _ _ command
The lisp command changes REDUCE's mode of operation to symbolic. When lisp is followed by an expression, that expression is evaluated in symbolic mode, but REDUCE's mode is not changed. This command is equivalent to symbolic.
lisp; NIL car '(a b c d e); A algebraic; c := (lisp car '(first second))**2; 2 C := FIRST