title: De fide Catolica
text: # De fide Catolica
  
  There are a number of documents titled De fide Catolica. Among them are:
  
  * The edict "De fide catholica" issued by Emperor Theodosius in 380, establishing Christianity as the official religion of the Roman empire
  * The tractate De fide catholica of Boethius (480-524 or 525)
  * De fide catholica ex Veteri et Novo Testamento contra Iudaeos by Isidore of Seville (560-636)
  * The Summa contra Gentiles, also known as Tractatus de fide catholica, contra contra errores infidelium, of Thomas Aquinas (1225-1274)
  * The constitution "De fide catholica" of the First Vatican Council, also called Dei Filius
  * A form of belief in the Catholic faith
  