text: Yes, but surely both scientist and theologians regarded some doctrine as more settled than other stuff, much more probable than not?
  
  For instance, I find it fascinating that most Christians of all denomination in fact accept the tenets of the Apostles Creed as doctrine, even though the bulk of those assertions are derived from the early Greek Councils, which most Protestant's reject in principle in favour of sola scriptura. 
  
  (The exception is "he descended into hell" which is pure heresy based on a faulty translation of the Latin.)