Source : Webster's Revised Unabridged Dictionary (1913)

Credendum \Cre*den"dum\ (kr?-d?n"d?m), n.; pl. {Credenda} (-d?).
   [L., fr. credere to believe.] (Theol.)
   A thing to be believed; an article of faith; -- distinguished
   from {agendum}, a practical duty.

         The great articles and credenda of Christianity.
                                                  --South.

Source : WordNet®

credendum
     n : (Christianity) any of the sections into which a creed or
         other statement of doctrine is divided [syn: {article of
         faith}]
     [also: {credenda} (pl)]