
1) Theologian 2) Theologiser 3) Theologist 4) Theologizer
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Quintus Septimius Florens Tertullianus, anglicised as Tertullian (n; c. 160 – c. 225 AD), was a prolific early Christian author from Carthage in the Roman province of Africa. He is the first Christian author to produce an extensive corpus of Latin Christian literature. He also was a notable early Christian apologist and a polemicist against here...
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http://en.wikipedia.org/wiki/Tertullian

important early Christian theologian, polemicist, and moralist who, as the initiator of ecclesiastical Latin, was instrumental in shaping the ... [21 related articles]
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http://www.britannica.com/eb/a-z/t/28

[
n] - Carthaginian theologian whose writing influenced early Christian theology (160-230)
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http://www.webdictionary.co.uk/definition.php?query=Tertullian
Quintus Septimius Florens Tertullianus noun Carthaginian theologian whose writing influenced early Christian theology (160-230)
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(165-220) A prominent Christian Apologist, later the leader of the sect of the Montanists. He took an excessively dogmatic position toward faith, regarded it as standing above reason, and expressed the attitude in his famous statement 'Credo quia absurdum est'. Cf. Migne PL (vols. 1, 2). -- R.B.W.
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https://www.encyclo.co.uk/local/21203
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