Примеры употребления для qua
1. After all, elections are the sine qua non of democracy.
2. Yet Patten did not make local control of security a sine qua non of its work.
3. For his part, however, he "has demands that are sine qua non," comments one mother.
4. The peace is sine–qua–non for developments and it only come through dialogues.
5. It is sine qua non for our survival as a civilised polity,» Singh said.