[`group`]: group::group [`add_group`]: group::add_group [`num_add_group`]: group::num_add_group [`mul_group`]: group::mul_group [`num_mul_group`]: group::num_mul_group [`group::Group`]: group::group::Group [`add_group::AddGroup`]: group::add_group::AddGroup [`add_group::AddGroupLaws`]: group::add_group::AddGroupLaws [`mul_group::MulGroup`]: group::mul_group::MulGroup [`num_add_group::NumAddGroup`]: group::num_add_group::NumAddGroup [`num_mul_group::NumMulgroup`]: group::num_mul_group::NumMulGroup [references]: https://gitlab.com/ornamentist/un-algebra/blob/master/doc/reading.md [issues]: https://gitlab.com/ornamentist/un-algebra/issues [IEEE]: https://floating-point-gui.de/ [num]: https://crates.io/crates/num [alga]: https://crates.io/crates/alga [proptest]: https://crates.io/crates/proptest