δεν επιδέχεται αμφισβήτηση → is beyond doubt, is beyond any doubt, is beyond a shadow of a doubt, is beyond the shadow of a doubt, is unambiguous, leaves no room for any doubt, leaves no room for doubt

[spiros]

δεν επιδέχεται αμφισβήτηση → is unambiguous,  leaves no room for any doubt, leaves no room for doubt

[eltheza]

is beyond doubt, is beyond any doubt

is beyond a shadow of a doubt, is beyond the shadow of a doubt