Heresy in Christianity
When heresy is used today with reference to Christianity, it denotes the formal denial or doubt of a core doctrine of the Christian faith as defined by one or more of the Christian churches. It should...
Heresy in Christianity - Wikipedia
What 'Cosmos' Got Wrong About Giordano Bruno, the Heretic Scientist
He was hailed as a bonafide science martyr in last night's Cosmos premiere. Not so fast, Tyson.
Inquisition
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Arianism
Arianism is the nontrinitarian, heterodoxical teaching, first attributed to Arius (c. AD 250–336), a Christian presbyter in Alexandria, Egypt, concerning the relationship of God the Father to the Son ...
Arianism - Wikipedia
Bogomilism
Bogomilism was a dualist religiopolitical sect founded in the First Bulgarian Empire by the priest Bogomil during the reign of Tsar Peter I in the 10th century. It most probably arose in what is today...
Bogomilism - Wikipedia
Catharism
Catharism (/ˈkæθərɪzəm/; from the Greek: καθαροί, katharoi, "the pure [ones]") was a Christian dualist movement that thrived in some areas of Southern Europe, particularly northern Italy and southern ...
Catharism - Wikipedia
Converso
A converso ([komˈberso]; [kõˈvɛɾsu]; Catalan: convers [kumˈbɛrs], [komˈvɛɾs]; "a convert", from Latin conversvs, "converted, turned around") and its feminine form conversa was a Jew or Muslim who ...
Deism
Deism (/ˈdiː.ɪzəm/‍ or /ˈdeɪ.ɪzəm/, derived from the Latin word deus meaning "god") combines a rejection of religious knowledge as a source of authority with the conclusion that reason and obse...
Deism - Wikipedia
Gnosticism
Gnosticism (from Ancient Greek: γνωστικός gnostikos, "learned", from γνῶσις gnōsis, knowledge) describes a collection of ancient religions whose adherents shunned the material world - which they ...
Hussite
The Hussites (Czech: Husité or Kališníci; "Chalice People") were a Christian movement following the teachings of Czech reformer Jan Hus (c. 1369–1415), who became the best-known representative of ...
Hussite - Wikipedia
Inquisition
The Inquisition is a group of institutions within the judicial system of the Roman Catholic Church whose aim is to combat heresy. It started in 12th-century France to combat religious sectarianism, in...
Inquisition - Wikipedia
Modernism (Roman Catholicism)
Modernism refers to theological opinions expressed during the late 19th and early 20th centuries, but with influence reaching into the 21st century, which are characterized by a break with the past. C...
Nontrinitarianism
Nontrinitarianism (or antitrinitarianism) refers to monotheistic belief systems, primarily within Christianity, which reject the mainstream Christian doctrine of the Trinity, namely, the teaching that...
Nontrinitarianism - Wikipedia
Nestorian cross
The Nestorian Cross is associated with the Assyrian Church of the East. It is composed of a cross similar to the St. John's Cross, with three dots lining the left cross bar, three dots lining the ri...
What 'Cosmos' Got Wrong About Giordano Bruno, the Heretic Scientist
He was hailed as a bonafide science martyr in last night's Cosmos premiere. Not so fast, Tyson.
Bonafos Caballeria
Bonafos Caballeria (died 1464) was an anti-Jewish writer. He was the son of Solomon ibn Labi de la Caballeria of Zaragoza and assumed the name of "Micer Pedro" upon converting to Christianity. From hi...
Early Christianity
Early Christianity is the period of Christianity preceding the First Council of Nicaea in 325. It is typically divided into the Apostolic Age and the Ante-Nicene Period (from the Apostolic Age until N...
Early Christianity - Wikipedia
Cainites
The Cainites, or Cainians (Greek: Καϊνοί Kainoi, Καϊανοί Kaianoi), were a Gnostic and Antinomian sect who were known to venerate Cain as the first victim of the Demiurge, the deity of the Tanakh, who ...
Cainites - Wikipedia
Patriarch Pyrrhus of Constantinople
Pyrrhus was the Ecumenical Patriarch of Constantinople from 20 December 638 to 29 September 641, and again from 9 January to 1 June 654.He was a supporter of Monotheletism, a christological doctrine p...
Patriarch Pyrrhus of Constantinople - Wikipedia
Revival of the Heresy Acts
In November 1554, the Revival of the Heresy Acts (1 & 2 Ph. & M. c.6) revived three former Acts against heresy; the letters patent of 1382 of King Richard II, an Act of 1401 of King Henry IV, ...
John Purvey
John Purvey (c. 1354 – c. 1414) was one of the leading followers of the English theologian and reformer John Wycliffe during the late fourteenth and early fifteenth centuries. He was born around 1354 ...
Petrus Zwicker
Petrus Zwicker (died 1403 in Vienna) was an East Prussian Inquisitor and cleric of the Roman Catholic Order of the Celestines. Between 1391 and 1403, he led one of the largest inquisitorial operations...
Petrus Zwicker - Wikipedia
André Gagné
André Gagné is an Associate Professor of Early Christian History and Literature at Concordia University in Montreal, Quebec, Canada. His teaching and research also focuses on Cognitive science of reli...