world constitution
... that since 1977, a world constitution has existed alongside a Provisional World Parliament?
... that since 1977, a <b id="mwA90"><a href="./World_constitution" id="mwA94" rel="mw:WikiLink" title="World constitution">world constitution</a></b> has existed alongside a <a href="./Provisional_World_Parliament" id="mwA98" rel="mw:WikiLink" title="Provisional World Parliament">Provisional World Parliament</a>?