Sentence examples similar to a refutable proposition from inspiring English sources

A true gamble does not test a refutable principle.

On one fairly standard interpretation, the later Wittgenstein says that "true in calculus Γ" is identical to "provable in calculus Γ" and, therefore, that a mathematical proposition of calculus Γ is a concatenation of signs that is either provable (in principle) or refutable (in principle) in calculus Γ [(Goodstein 1972, 279, 282), (Anderson 1958, 487), (Klenk 1976, 13), (Frascolla 1994, 59)].

Note that a proposition has an object.

That is a preposterous proposition.

"It was a moneymaking proposition".

That's a general proposition.

That's a daunting proposition.

It is a modest proposition.

A lunatic proposition, some say.

This is a risky proposition.

"It's a difficult proposition".