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Rule of Faith
(713 words)

1. Early Church

The phrase “rule of faith” (regula fidei), equivalent to “rule of truth,” is a term and concept that we first find in Irenaeus (ca. 130–ca. 200). It then occurs in almost all second- and third-century church fathers but is less common in Constantinian usage. As the defining genitive shows, what is meant is the substance of Christian faith, or truth as a standard and normative authority.

In the rule of faith the church has preserved the quintessence of Christian belief, and it has shown its fidelity to the apost…

Cite this page
Wyrwa, Dietmar and Bromiley, Geoffrey W., “Rule of Faith”, in: Encyclopedia of Christianity Online. Consulted online on 27 June 2022 <http://dx.doi.org/10.1163/2211-2685_eco_R.85>
First published online: 2011
First print edition: ISBN: 9789004169678, 20080512

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