| gptkbp:instanceOf | gptkb:mathematical_concept 
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                                | gptkbp:defines | category with morphisms between morphisms at all levels, satisfying associativity and identity up to higher morphisms 
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                                | gptkbp:field | gptkb:category_theory higher category theory
 
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                                | gptkbp:firstAppearance | 1980s 
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                                | gptkbp:generalizes | gptkb:dictionary 2-category
 n-category
 
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                                | gptkbp:hasApplication | gptkb:quantum_field_theory gptkb:motivic_homotopy_theory
 derived algebraic geometry
 categorification
 stable homotopy theory
 higher stacks
 
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                                | gptkbp:hasDefinitionVariant | gptkb:(∞,n)-category gptkb:strict_∞-category
 gptkb:weak_∞-category
 (∞,1)-category
 
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                                | gptkbp:hasProperty | morphisms between morphisms at all levels 
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                                | gptkbp:notableContributor | gptkb:Alexander_Grothendieck gptkb:Jacob_Lurie
 gptkb:André_Joyal
 gptkb:Carlos_Simpson
 gptkb:Ross_Street
 gptkb:Tom_Leinster
 
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                                | gptkbp:referencedIn | Carlos Simpson, Homotopy theory of higher categories André Joyal, Quasi-categories and Kan complexes
 Jacob Lurie, Higher Topos Theory
 Tom Leinster, Higher Operads, Higher Categories
 
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                                | gptkbp:relatedConcept | gptkb:homotopy_type_theory gptkb:operad
 gptkb:Segal_space
 gptkb:quasi-category
 model category
 simplicial set
 higher topos theory
 
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                                | gptkbp:usedIn | gptkb:topology mathematical physics
 homotopy theory
 
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                                | gptkbp:bfsParent | gptkb:∞-categories 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | ∞-category 
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