Sentence examples for which lacks a proof from inspiring English sources

The false proposition \ \bot\) is taken to be a proposition which lacks a proof altogether: accordingly \ \bot\) is identified with the empty set \(\varnothing\).

The genetic variability is mainly generated by viral RNA-dependent RNA polymerase (RdRp) which lacks a proof-reading activity [ 2].

Hepatitis C virus (HCV) is a single-stranded RNA virus and replication occurs through the NS5B-encoded RNA polymerase which lacks proof reading ability. 1 As a consequence, mutations are readily generated and are subject to immune selection pressure.

Furthermore, if p is provable in S (□p) it need not even follow that ~p lacks a proof (~□~p = ◊p).

In this condition, the Taq polymerase, which lack DNA proof-reading property, introduces errors in a newly synthesized DNA during base pairing.

"There seems to be more reliance on information based on intelligence leaks which lack credibility of proof.

RNA viruses, which lack proof mechanisms to ensure fidelity of the genome, accumulate mutations during replication and are the most able to adapt to new hosts.

But the 1994 Dietary Supplement Health and Education Act put the burden of proof on the F.D.A., which lacks the resources to police a growing industry.

She thinks that there is no warrant for believing Cass' disjunctive proof as we lack a proof of either of its disjuncts.

They argued that such optimism was based more on surrogate end-points, which lacked robustness, than on proof of anti-tumour effects [Rosenberg SA, Yang JC, Restifo NP. Cancer immunotherapy: moving beyond current vaccines. Nat Med 2004; 10 909 15].

Even if they win in Virginia, which seems likely, Democrats will lack a veto-proof majority in the Senate and will be kept in check by Bush, who may well discover his veto pen.