The phrase "a one justice" is not correct in standard written English.
It is unclear and does not convey a specific meaning without additional context.
Example: "In the case of the appeal, a one justice decision was made, which surprised everyone."
Alternatives: "a single justice" or "one judge".
I wouldn't ordinarily have paid much attention to a one-justice statement like this which, while not an everyday occurrence at the court, isn't all that rare, either.
WASHINGTON — The Supreme Court is suggesting it could find a way out of the case over California's ban on same-sex marriage without issuing a major national ruling on whether gays have a right to marry, an issue one justice said was newer than cellphones and the Internet.
In a dissent, one justice, James M. Catterson, called the fee "exorbitant".
"Did not you know your daughter to be a witch?" one justice asked Foster.
But this year with a Supreme Court short one Justice and divided 4-4 with an equal number of Democratic and Republican Justices, if a case were to reach to resolve the presidential election it might be unable to do so.
In a 1793 case, one Justice suggested that American judges take into account both "general jurisprudence" and the "laws and practice" of other "States and Kingdoms," while another Justice favored basing decisions exclusively on the words of the Constitution.
On Sunday he warned the justices that they were like "an umpire in a baseball game" and could be replaced if they did not vote against a proposal by one justice, Franklin Arrieche, to throw out the rebellion charges for lack of evidence.
Defenders of affirmative action cannot allow its opponents to hold Sotomayor up as a straw woman; one Justice does not diversity make.
Although the composition of the Court has changed since 2004, there's still essentially a 5-4 conservative-progressive split, meaning a President Sanders is one justice away from ending the partisan gerrymander as we know it.
("It is time we become just a little realistic in the face of a record such as this one," Justice Harry A. Blackmun wrote in an angry dissent).
But it might have been less of a setback if even one Justice had dissented.
