In Islamic philosophy , philosophical skepticism was started by Al-Ghazali , known in the West as `` Algazel '' , as a part of the orthodox Ash ` ari school of Islamic theology . In Islamic philosophy , skepticism was established by Al-Ghazali ( 1058 â `` 1111 ) , known in the West as `` Algazel '' , as part of the orthodox Ash ` ari school of Islamic theology .