On injectivity in locally presentable categories

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Authors	ADÁMEK J. ROSICKÝ J.
Year of publication	1993
Type	Article in Periodical
Magazine / Source	Transactions of the American Mathematical Society
MU Faculty or unit	Faculty of Science
Citation
Field	General mathematics
Description	A class of objects of a locally presentable category is proved to be an injectivity class iff it is closed under products and retracts. This result requires a certain large cardinal principle.
Related projects:	Mathematical structures of algebra and geometry