He has a right to recover the L1,000 from _X_.

The whole question in theory is settled.

The law is unconstitutional, the law is void; _A_ has obtained judgment.

But can the judgment be enforced?
This is the essential question; for the object of a plaintiff is to obtain not judgment but payment or execution.

What then are the means for enforcing the judgment of the Privy Council when it is not supported by Irish opinion, when it sets aside an Act of the Irish Parliament, and when it may possibly be opposed to the decision, in a similar case, of an Irish Court?
The means are the action of the Sheriff.