Given 'once in a blue moon , listed under moon in L ) may be listed elsewhere (under blue moon in W).', does '"Once in a blue moon" may not be listed anywhere other than the original place.' exist in a neutral realm, neither confirming nor denying the premise?
once in a blue moon , listed under moon in L ) may be listed elsewhere (under blue moon in W).###"Once in a blue moon" may not be listed anywhere other than the original place.