GCHQ case
... that the GCHQ case was the first case to hold that exercises of the Royal Prerogative were subject to judicial review?
... that the <b id="mwDNs"><a href="./Council_of_Civil_Service_Unions_v_Minister_for_the_Civil_Service" id="mwDNw" rel="mw:WikiLink" title="Council of Civil Service Unions v Minister for the Civil Service">GCHQ case</a></b> was the first case to hold that exercises of the <a class="mw-redirect" href="./Royal_Prerogative_in_the_United_Kingdom" id="mwDN0" rel="mw:WikiLink" title="Royal Prerogative in the United Kingdom">Royal Prerogative</a> were subject to <a href="./Judicial_review_in_English_law" id="mwDN4" rel="mw:WikiLink" title="Judicial review in English law">judicial review</a>?