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Which Church teachings have been declared infallible?


I have had some heated discussions recently about what teachings of the Church have been formally defined as infallible. I believe that under the definition of infallibility set forth at the First Vatican Council and affirmed at the Second Vatican Council in Lumen Gentium, the following teachings have been infallibly taught: the Immaculate Conception, the Assumption, the reservation of priestly ordination to men, and the immorality of abortion and other deliberate killing of innocent persons. So, which teachings of the Church are in fact formally defined?<br />


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