Fidei may refer to :
* ''
Asaphocrita fidei
''Asaphocrita fidei'' is a moth in the family Blastobasidae that is endemic to Costa Rica
Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central Ame ...
'', a moth endemic to Costa Rica
*
Fideism
Fideism () is an epistemological theory which maintains that faith is independent of reason, or that reason and faith are hostile to each other and faith is superior at arriving at particular truths (see natural theology). The word ''fideism'' c ...
, a theory which maintains that faith is independent of reason
See also
* ''
Fidei defensor
Defender of the Faith ( la, Fidei Defensor or, specifically feminine, '; french: Défenseur de la Foi) is a phrase that has been used as part of the full style of many English, Scottish, and later British monarchs since the early 16th century. It ...
'' ("Defender of the Faith"), part of the full style of many monarchs since the early 16th century
*
Mysterium fidei (disambiguation)
''Mysterium fidei'' may refer to:
* ''Mysterium fidei'' (encyclical), 1965 papal encyclical on the Eucharist by Pope Paul VI
* "The mystery of faith" or "a mystery of faith", phrases found in various religious contexts
* ''Mysterium fidei'', ti ...
*
Fides (disambiguation)
Fides or FIDES may refer to:
*Faith, trust, loyalty, or fidelity, or a religious belief
*Fides (cycling team), an Italian professional cycling team in 1961
*Fides (deity), goddess of trust in Roman mythology
*Fides (reliability), guide allowing es ...
*
Fide (disambiguation)
* FIDE (''Fédération Internationale Des Échecs''), or the International Chess Federation
Fide or FIDE may also refer to:
* FIDE (''Fédération Internationale pour le Droit Européen''), or the International Federation for European Law
* Fide, ...
*
* ''
Sensus fidelium
''Sensus fidei'' (sense of the faith), also called ''sensus fidelium'' (sense of the faithful) is, according to the Catechism of the Catholic Church, "the supernatural appreciation of faith on the part of the whole people, when, from the bishops to ...
'', a sense of faith among religious people
* ''
Uberrima fides
''Uberrima fides'' (sometimes seen in its genitive form ''uberrimae fidei'') is a Latin phrase meaning "utmost good faith" (literally, "most abundant faith"). It is the name of a legal doctrine which governs insurance contracts. This means that a ...
'' (utmost good faith), a legal doctrine which governs insurance contracts
*
Rule of Faith (''regula fidei'' or ''analogia fidei''), an element of some Christian teachings
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