-- basic mathematics import algebra.group.pi import algebra.group.commute import algebra.group_power.basic import algebra.group_power.identities import analysis.inner_product_space.basic import analysis.inner_product_space.euclidean_dist import analysis.special_functions.exp import analysis.special_functions.exp_deriv import analysis.special_functions.log.base import analysis.special_functions.log.basic import analysis.special_functions.log.deriv import analysis.special_functions.log.monotone import analysis.special_functions.pow import analysis.special_functions.sqrt import analysis.special_functions.trigonometric.basic import analysis.special_functions.trigonometric.complex import data.fintype.card import data.int.parity import data.list.intervals import data.nat.factorial.basic import data.nat.multiplicity import data.set.finite import data.sym.sym2 import logic.equiv.basic import number_theory.legendre_symbol.quadratic_reciprocity import number_theory.primes_congruent_one import order.well_founded import algebra.algebra.basic import algebra.big_operators import algebra.big_operators.basic import algebra.big_operators.order import algebra.big_operators.pi import algebra.associated import algebra.order.floor import algebra.geom_sum import algebra.quadratic_discriminant import algebra.ring.basic import analysis.asymptotics.asymptotic_equivalent import analysis.mean_inequalities import analysis.normed_space.basic import analysis.normed_space.pi_Lp import combinatorics.simple_graph.basic import data.complex.basic import data.complex.exponential import data.is_R_or_C.basic import data.finset.basic import data.finset.lattice import data.finset.sort import data.fintype.basic import data.int.basic import data.int.gcd import data.int.modeq import data.list.basic import data.list.defs import data.list.palindrome import data.matrix.basic import data.multiset.basic import data.nat.basic import data.nat.choose import data.nat.choose.basic import data.nat.digits import data.nat.dist import data.nat.fib import data.nat.log import data.nat.modeq import data.nat.parity import data.nat.prime import data.pnat.basic import data.pnat.prime import data.polynomial import data.polynomial.basic import data.polynomial.degree.definitions import data.polynomial.div import data.polynomial.eval import data.polynomial.ring_division import data.rat.basic import data.real.basic import data.real.ennreal import data.real.golden_ratio import data.real.irrational import data.real.nnreal import data.real.pi.bounds import data.real.pi.leibniz import data.real.pi.wallis import data.real.sqrt import data.set.basic import data.set.intervals.basic import data.zmod.basic import data.fintype.basic import geometry.euclidean.basic import geometry.euclidean.circumcenter import geometry.euclidean.monge_point import geometry.euclidean.sphere import init.data.nat.gcd import linear_algebra.affine_space.affine_map import linear_algebra.affine_space.independent import linear_algebra.affine_space.ordered import linear_algebra.finite_dimensional import logic.basic import number_theory.arithmetic_function import number_theory.divisors import order.filter.basic import order.well_founded_set import set_theory.lists --analysis import analysis.calculus.fderiv import analysis.calculus.cont_diff import analysis.calculus.iterated_deriv import dynamics.ergodic.measure_preserving import measure_theory.integral.interval_integral -- algebra import algebra.group.basic import group_theory.order_of_element import data.real.basic import data.fintype.basic import data.zmod.basic import data.countable.basic import data.set.countable import group_theory.abelianization import group_theory.subgroup.basic import group_theory.quotient_group import group_theory.index import group_theory.specific_groups.cyclic import group_theory.specific_groups.dihedral import group_theory.solvable import group_theory.free_group import group_theory.presented_group import group_theory.group_action.conj_act import group_theory.sylow import group_theory.coset import number_theory.zsqrtd.gaussian_int import ring_theory.ideal.operations import ring_theory.ideal.minimal_prime import algebra.char_p.basic import algebra.quaternion import algebra.gcd_monoid.basic import algebra.monoid_algebra.basic import linear_algebra.general_linear_group import field_theory.finite.galois_field import deprecated.subgroup -- linear algebra import linear_algebra.eigenspace import analysis.inner_product_space.projection import analysis.inner_product_space.adjoint -- topology import topology.basic import topology.constructions import topology.bases import topology.stone_cech import topology.path_connected import topology.metric_space.metrizable import topology.algebra.infinite_sum import topology.instances.nnreal import topology.metric_space.basic -- number theory import number_theory.arithmetic_function