mathematical-ring As a command 8 categories below mathematical-ring Narrow by commutative-ring 4 division-ring 3 mathematical-set 3 mathematical-field 2 mathematical-module 2 vector-space 2 algebra-over-a-field 1 binary-relation 1 countable-set 1 finite-set 1 function 1 mathematical-relation 1 algebra-over-a-field 1commutative-ring 4division-ring 3mathematical-field 2finite-fieldintegral-domainlie-algebrascalar-field