Sentence examples for is not provable from inspiring English sources

More exactly, Gödel showed that, if the system is consistent, then p is not provable; if it is ω-consistent, then ∼p is not provable.

Let us consider the sentence (2) This sentence is not provable in the system.

But then what f(i) = 0 says is just that the ith sentence is not provable.

Cohen, in 1963, showed that it is not provable under these hypotheses and hence is independent of the other axioms.

Hence, using Gödel's device, a sentence (say the tth) is again obtained saying of itself that it is not provable.

Then he added: "It would not surprise me if they came up with some information that is not provable, and they've shifted.

But saying that everything happens for a reason isn't provable.

This is still a hypothesis, one which isn't provable at the moment because I don't think we have the instrumentation to fully investigate it yet.

The Crown Prosecution Service concluded the assault was "not provable to criminal standard".

"The cases are not provable on a case-by-case basis".

Several historians said many accusations in it were not provable or stretched far beyond reality.