" Gavan Duffy, J. also observed to the same effect: "The applicants seek, in the alternative, to base their claims to habeas corpus and prohibition upon antecedent rights of personal liberty and regular trial at Common Law; but, whether or not the imminent Common Law of Ireland needed generally any article 50 (containing the laws in force) to retain its vigour, the particular Common Law principles here invoked must both, in my opinion, of necessity have merged in the express provisions declaring how the two corresponding rights are to be in force under the new polity established by An Bunreacht." And so did Martin Maguire, J. when he said: "It is argued, in the alternative, that, apart from the Constitution and existing side by side with it,, there is a body of constitutional law, founded on Common Law, and comprising the same constitutional rights which the prosecutors seek to assert, and in respect of which they demand the relief claimed in these proceedings.