Icelandic edit

 
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Wikipedia is

Etymology edit

From the ríki (mathematics: category) +‎ -fræði (-logy).

Pronunciation edit

  • IPA(key): /ˈriːcaˌfraiːðɪ/

Noun edit

ríkjafræði f (genitive singular ríkjafræði, no plural)

  1. (mathematics) category theory

Declension edit