empty category

Satisfied properties

Assigned properties

• is discrete
• has binary products
• is finite
• is small
• is preadditive

Deduced properties

• has zero morphisms
• is direct
• is essentially discrete
• is locally small
• has binary powers
• is essentially small
• is countable
• is essentially finite
• is inverse
• is a dual generalized variety
• is finitely coaccessible
• is a groupoid
• is thin
• has connected limits
• is locally essentially small
• has cosifted limits
• has an extremal generating collection
• is well-powered
• is essentially countable
• is locally finite
• is one-way
• is skeletal
• is finitely accessible
• is a generalized variety
• has connected colimits
• has sifted colimits
• has an extremal cogenerating collection
• is well-copowered
• has filtered-colimit-stable monomorphisms
• is ℵ₁-accessible
• has filtered colimits
• is locally finitely multi-presentable
• has effective congruences
• has reflexive coequalizers
• has a generating collection
• has directed limits
• is self-dual
• is left cancellative
• is locally cartesian closed
• has equalizers
• has wide pullbacks
• is subobject-trivial
• is retract-trivial
• is Cauchy complete
• is core-thin
• has cofiltered-limit-stable epimorphisms
• is ℵ₁-coaccessible
• has cofiltered limits
• is locally finitely multi-copresentable
• has effective cocongruences
• has coreflexive equalizers
• has a cogenerating collection
• has directed colimits
• is right cancellative
• is locally cocartesian coclosed
• has coequalizers
• has wide pushouts
• is quotient-trivial
• has binary copowers
• is accessible
• has ℵ₁-filtered colimits
• is multi-cocomplete
• has kernel pairs
• has pullbacks
• has pullback-stable regular epimorphisms
• has quotients of congruences
• has kernels
• has sequential limits
• is concretizable
• is mono-regular
• is regular-subobject-trivial
• is gaunt
• is coaccessible
• has ℵ₁-cofiltered limits
• is multi-complete
• has cokernel pairs
• has pushouts
• has coquotients of cocongruences
• has cokernels
• has sequential colimits
• is epi-regular
• is regular-quotient-trivial
• has binary coproducts
• is locally multi-presentable
• is locally poly-presentable
• is multi-algebraic
• has a multi-terminal object
• has coequalizers of kernel pairs
• has a multi-initial object
• is balanced
• is normal
• is locally multi-copresentable
• is locally poly-copresentable
• is dually multi-algebraic
• has pushout-stable regular monomorphisms
• has equalizers of cokernel pairs
• is conormal

Unsatisfied properties

Assigned properties

• is not inhabited

Deduced properties*

• is not connected
• does not have a generator
• does not have a cogenerator
• is not Grothendieck abelian
• is not semi-strongly connected
• does not have disjoint coproducts
• is not sifted
• does not have an extremal generator
• is not co-Grothendieck abelian
• does not have disjoint products
• is not cosifted
• does not have an extremal cogenerator
• is not strongly connected
• is not core-connected
• is not filtered
• is not one-sorted finitary algebraic
• is not cofiltered
• is not dually one-sorted finitary algebraic
• is not trivial
• is not finitely cocomplete
• is not ℵ₁-filtered
• is not finitely complete
• is not ℵ₁-cofiltered
• is not Malcev
• is not unital
• is not complete
• does not have finite products
• does not have exact filtered colimits
• is not infinitary extensive
• does not have countable coproducts
• does not have a terminal object
• is not regular
• does not have a subobject classifier
• does not have a regular subobject classifier
• does not have disjoint finite coproducts
• is not an elementary topos
• is not a quasitopos
• is not co-Malcev
• is not counital
• is not cocomplete
• does not have finite coproducts
• does not have exact cofiltered limits
• is not infinitary coextensive
• does not have countable products
• does not have an initial object
• is not coregular
• does not have a quotient object classifier
• does not have a regular quotient object classifier
• does not have disjoint finite products
• is not an elementary cotopos
• is not a quasicotopos
• does not have a parametrized natural numbers object
• does not have a natural numbers object
• is not locally finitely presentable
• is not locally ℵ₁-presentable
• is not locally presentable
• is not finitary algebraic
• is not additive
• does not have biproducts
• is not cartesian closed
• does not have products
• is not infinitary distributive
• is not countably distributive
• is not distributive
• does not have cartesian filtered colimits
• is not extensive
• is not countably extensive
• is not pointed
• does not have a strict initial object
• does not have ℵ₂-small products
• does not have finite powers
• is not Barr-exact
• is not a Grothendieck topos
• is not total
• does not have a coparametrized conatural numbers object
• does not have a conatural numbers object
• is not locally finitely copresentable
• is not locally ℵ₁-copresentable
• is not locally copresentable
• is not dually finitary algebraic
• is not cocartesian coclosed
• does not have coproducts
• is not infinitary codistributive
• is not countably codistributive
• is not codistributive
• does not have cocartesian cofiltered limits
• is not coextensive
• is not countably coextensive
• does not have a strict terminal object
• does not have ℵ₂-small coproducts
• does not have finite copowers
• is not Barr-coexact
• is not a Grothendieck cotopos
• is not cototal
• is not abelian
• does not satisfy CIP
• does not have countable powers
• is not a pretopos
• does not satisfy CSP
• does not have countable copowers
• is not a precotopos
• is not split abelian
• does not have ℵ₂-small powers
• does not have ℵ₂-small copowers
• does not have powers
• does not have copowers

*This also uses the deduced satisfied properties.