Definitions | x. t(x), rng_eq(r), eqfun_p(T; eq), True, T, bilinear(T; pl; tm), P Q, P Q, ident(T; op; id), assoc(T; op), monoid_p(T; op; id), igrp{i:l}, imon{i:l}, group_p(T; op; id; inv), rng_one(r), rng_minus(r), rng_zero(r), rng_plus(r), ring_p(T; plus; zero; neg; times; one), prop{i:l}, ff, tt, P Q, if b then t else f fi , rng_sig{i:l}, P Q, rng{i:l}, t.2, t.1, x f y, x:A. B(x), rng_times(r), rng_car(r), comm(T; op), qrng, crng{i:l}, t T, x(s), grp_inv(g), mon{i:l}, abmonoid{i:l}, ocmon{i:l}, ocgrp{i:l}, qadd_grp, grp_id(g), grp_op(g), grp_car(g), Unit, , subtype(S; T), |