1. As a suggestion or proposal:
* "The company offered a proposition to invest in the new project."
* "He made a proposition to help her with the housework."
* "She considered his proposition carefully before making a decision."
2. As a statement that can be true or false:
* "The proposition that all cats are mammals is true."
* "The proposition that the Earth is flat is false."
* "In logic, a proposition is a declarative sentence that can be assigned a truth value."
3. As a sexual suggestion or offer:
* "He made an indecent proposition to her."
* "The boss's proposition was unacceptable."
* (This usage is often considered vulgar and can be offensive.)
4. As a mathematical concept:
* "In geometry, a proposition is a statement that can be proved true."
* "Euclid's Elements contains a series of propositions about geometry."
Here are some sentences using "proposition" in different contexts:
* "The proposition to raise taxes was met with strong opposition." (suggestion)
* "The proposition that the universe is infinite is still debated." (statement)
* "She rejected his proposition without hesitation." (sexual suggestion)
* "The proposition that the sum of the angles in a triangle equals 180 degrees is a fundamental principle of geometry." (mathematical concept)
The specific meaning of "proposition" will depend on the context of the sentence. It's important to pay attention to the surrounding words and phrases to understand the intended meaning.