Religious doctrine is a set of beliefs and practices that are held by a religion. DOGMA, deism, CANON, and TENET are all terms used to describe religious doctrine. DOGMA is a set of beliefs or principles laid down by a religion, often seen as absolute truth. Deism is the belief in a higher power without the need for organized religion. CANON is a set of accepted religious texts or teachings. TENET is a principle or belief that is held to be true by a particular group or individual.