Questions on inerrancy of Bible, Pope or other authorities.
Different parts of Christianity apply the term 'infallible' to different things. It is applied by some to the teachings of the church (and by Catholics especially to pronouncements by the Pope). Protestants sometimes apply it to the Bible.
Use this tag for all of these. There is also an 'inerrancy' tag which refers to the similar concept of something never having been wrong.