a fatwa
... that shortly after the forced conversions of Muslims in Castile, a fatwa was issued which allowed outward practice of Christianity while secretly keeping the Islamic faith?
... that shortly after the <a href="./Forced_conversion#Spain" id="mwBCo" rel="mw:WikiLink" title="Forced conversion">forced conversions</a> of <a href="./Islam_in_Spain" id="mwBCs" rel="mw:WikiLink" title="Islam in Spain">Muslims</a> in <a href="./Crown_of_Castile" id="mwBCw" rel="mw:WikiLink" title="Crown of Castile">Castile</a>, <b id="mwBC0"><a href="./Oran_fatwa" id="mwBC4" rel="mw:WikiLink" title="Oran fatwa">a fatwa</a></b> was issued which allowed outward practice of Christianity while secretly keeping the Islamic faith?