0 something that prevents something or makes it impossible, or the act of preventing something or making it impossible: --
Issue preclusion bars the relitigation of issues of fact or law that have already been necessarily determined by a judge or jury as part of an earlier case.
Preclusion requires that the issue decided was actually and necessarily decided as part of a valid final judgment.
In this latter usage, the term is synonymous with preclusion.
In other words, the issue preclusion or collateral estoppel found in the common law doctrine of "res judicata" is not present in the civilian doctrine.
The preclusion of the single payer option from the discussion caused significant protest by doctors in the audience.
Moreover, broad modern principles of claim preclusion appear to address adequately the concern reflected in the cases cited for the estoppel principle.
That preclusion is a very great hardship.
The only question is whether considerations of great power can be urged which render that preclusion and the imposition of that disability defensible.
