Sentence examples for it demonstrably fails from inspiring English sources

However, I do not think that it can account for the initiation (rather than progression) of most tumours, since it demonstrably fails to account for the clonality that is observed in many cancers, as I point out in this section.

There is a further point to keep in mind about the American-led air campaign against Isis: it has demonstrably failed in terms of its original intention, which was to contain and if possible eliminate Isis.

He prides himself on acting on pure gut instinct, despite the many times it has demonstrably failed him.

Earlier this month, President Barack Obama underlined US disapproval when he officially declared, through a State Department memo, that Bolivia has "demonstrably failed" to live up to its international counter-narcotics commitments.

We heard it in May and June 2012, and though it lacked substance even then, it could be justified by the fact that it was delivered by a new voice, speaking against the austerity policies which had demonstrably failed to bring Greece out of the crisis.

In 2010, the Left has demonstrably failed on social policy.

He concludes liberalism "is a philosophy that has demonstrably failed".

In any case, the policies followed so far have demonstrably failed.

Intruders, and these other oblique misfires, demonstrably failed to crack that code.

Once again, David Brooks steadfastly approves of a demonstrably failed foreign policy ("Crisis of Confidence," column, May 8).

Neoliberal economic policies were thoroughly tried under the Mubarak regime, and demonstrably failed.