Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2022-12-28 13:01 422e70f7

View on Github →

feat(topology/instances/add_circle): expand API for finite-order points on the circle (#17986)

Estimated changes

Modified src/data/set/finite.lean

added theorem set.not_inj_on_infinite_finite_image

Modified src/data/set/intervals/infinite.lean

modified theorem set.Ioi_infinite

Modified src/group_theory/order_of_element.lean

added theorem infinite_not_is_of_fin_order

added theorem injective_pow_iff_not_is_of_fin_order

added theorem not_is_of_fin_order_of_injective_pow

Modified src/topology/instances/add_circle.lean

added theorem add_circle.add_order_of_eq_pos_iff

added theorem add_circle.card_add_order_of_eq_totient

added theorem add_circle.coe_add

added theorem add_circle.coe_sub

added theorem add_circle.finite_set_of_add_order_eq

added def add_circle.set_add_order_of_equiv