Terms for subject Mathematics containing не известный

Russian	English
ещё не известный	the answer depends on the as yet unknown quantity x
не известен	is unknown
не известен	remains a mystery
не известен	is a puzzle
не известен	it remains an open question
не известны случаи	no case of ... has come to our notice
не полностью известный	poorly known (напр., о величине clck.ru dimock)
не совсем хорошо известен	is not yet entirely known
точно не известен	it is not known with certainty