Sentence examples for this statement is not valid from inspiring English sources

Although this statement is not valid for all types of compartment models, it does hold for the SBSP models.

This argument is not valid.

This statement is not entirely valid because perturbation is not variation such that it may be corrected by applying the variational principle to eq. (2), for example.

That command is not valid".

This statement is not clear.

This statement is not tenable.

This statement is not true.

This statement is not correct, however.

But this statement is not correct.

This statement is not arguable.

" This statement is not always correct.