The motivation for the company acting upon the manageress's suggestion was "the fact that the sale of bread alone was not proving a dividend-earning proposition."

"If you cannot think of a way to prove or disprove a proposition, does that make it false?"

Many producers of on-line guides acknowledge that the effort has proved a more expensive proposition than they expected.

Selling lower cost equivalent homes to residents in the Albuquerque area proved a more legal and lucrative proposition.

This suited Mary perfectly, as in daylight hours Ikey proved a difficult proposition.

The Northern Mutes, who called themselves the Plainfolk, were proving a tougher proposition than their southern relatives.

You're asking me to prove a negative proposition.

Even after they have proved a proposition, they establish no authority except that of truth itself.

But so far, he said, they have proved a losing proposition.

Americans may be coming to believe that Europe can take care of itself, but this has proved a dubious proposition in the past.