However, certain propositions have the attribute of being a truth in itself.

They start certain propositions, and then argue for and against them.

Why do people buy into certain propositions and ignore others?

But the dishes into which they are woven are much less certain propositions.

What the later writers desire is a principle from which it can be known whether certain propositions are in themselves true.

He sent a message to the Emperor, through certain mutual friends, offering a certain proposition.

Homans worked off Durkheim's thoughts throughout the development of certain propositions.

However, there exist certain propositions with variable answers, such as asking various people to identify a color.

The study of custom can be profitable only after certain preliminary propositions have been violently opposed.

I've been ordered to put a certain proposition before you.