Sentence examples for difficult to proof from inspiring English sources

While it is difficult to proof this unequivocally, the assumption fits generally into the pattern of recurrent positive selection on Xpr1 as we discussed above.

The reason why we formulated this as a hypothesis rather than a theorem is that hypothesis 6 is based on many assumptions (2 – 4) which are difficult to proof theoretically.

Howard in 1983 "It is frequently difficult to develop proof in discrimination cases and the evidence provided by testers is frequently valuable, if not indispensable".

Although a direct link between the microbiome and disease susceptibility is difficult to establish, proof of concept studies argue that manipulation of the microbiome represents an appealing treatment strategy.

- BD, New York It will likely be more difficult to pest-proof your home for mice in the suburbs.

As Duns, who spent a great deal of time investigating Leather and Ellory before coming forward with his accusations, admits, it's difficult to find definite proof.

The police and health agencies have dramatically improved the way victims of sexual violence are treated; but it is still increasingly difficult to obtain the proof necessary to bring charges – let alone secure a conviction.

The entity has the ability to anticipate using internal simulations, in complex environments where it would be extremely difficult to use formal proof methods.

Although it is generally believed that phytoestrogens, especially isoflavones, can ease menopausal complaints, such as hot flushes and osteoporosis, and protect against cardiovascular disease, it has been difficult to generate consistent proof for this notion.

However, it is difficult to obtain conclusive proof of absence of transcription because transcription may only occur under particular environmental conditions that do not match those assayed in the laboratory.

Proof It is not difficult to see that the proof is the same as that of Theorem 2.2.