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Simul iustus et peccator
(1,545 words)

The formula simul iustus et peccator (siep, “simultaneously justified and a sinner”) was used by Martin Luther (1483–1546; Luther’s Theology) and adopted as a central term of Lutheran theology in the 20th century. It refers to the continuing sinfulness of the justified person. Earlier a focus of doctrinal disagreement between Protestant (esp. Lutheran) and Roman Catholic theology, it recently h…

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Root, Michael, “Simul iustus et peccator”, in: Encyclopedia of Christianity Online. Consulted online on 15 July 2020 <http://dx.doi.org/10.1163/2211-2685_eco_SI.6>
First published online: 2011
First print edition: ISBN: 9789004169678, 20080512



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