Elements of ‘-Category TheoryThe language of ‘-categories provides an insightful new way of expressing many results in higher-dimensional mathematics but can be challenging for the uninitiated. To explain what exactly an ‘-category is requires various technical models, raising the question of how they might be compared. To overcome this, a model-independent approach is desired, so that theorems proven with any model would apply to them all. This text develops the theory of ‘-categories from first principles in a model-independent fashion using the axiomatic framework of an ‘-cosmos, the universe in which ‘-categories live as objects. An ‘-cosmos is a fertile setting for the formal category theory of ‘-categories, and in this way the foundational proofs in ‘-category theory closely resemble the classical foundations of ordinary category theory. Equipped with exercises and appendices with background material, this first introduction is meant for students and researchers who have a strong foundation in classical 1-category theory. ISBN:9781108837989, 1108837980
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