The phrase "a proposition supported by" is correct and usable in written English.
It can be used when discussing an idea or statement that is backed by evidence or reasoning.
Example: "The study presents a proposition supported by extensive research and data analysis."
Alternatives: "an assertion backed by" or "a claim reinforced by".
It is a dubious proposition, supported by little validated intelligence.
The Pyrrhonist's strategy was to show that, for every proposition supported by some evidence, there is an opposite proposition supported by evidence that is equally good.
This underlies the absurdity of the proposition, supported by certain politicians, that grade promotions and high school graduation should be conditional on passing statewide exams at the college preparatory level.
Often, no consensus concerning the relative weight of experts existed; and it therefore remained contentious which side was "larger and more reasonable" (maior et sanior) or even whether a proposition was supported by enough leading experts to count as probable.
It is possible that this incongruence is related to the quality of the tall fescue plastome sequence, a proposition further supported by observation of many single nucleotide indels within the rbcL– psaI region, compared with other Poaceae species.
Hence a proposition will be supported by a range of possibilities, an "information range".
Second, more broadly, and tentatively, that we should not only advocate for policies that promote equity as an outcome of economic growth, but also –conversely – we should make the case that promoting equity helps produce sustainable growth, a proposition that is supported by a growing body of evidence.
This proposition is supported by a study that showed that cells infected by other paramyxoviruses, such as Hendra virus and simian virus 5, often display actin reorganisation, which suggests that Rac1 has a role in the early steps of the viral life cycle [ 68].
A representative of the National Association of Theater Owners told The Associated Press recently that around 2004, the organization investigated technology that would block cellphone signals in theaters, a proposition that, while supported by 60 percent of moviegoers, was so strongly opposed by the other 40 percent that the organization dropped it.
This proposition is supported by the identification of a number of 'housekeeping' genes (HKGs) not seen in any of the other clusters including cytochrome c oxidase, glutathione peroxidase, ezrin/radixin/moesin binding proteins and ribosomal proteins.
