mathlib

619fd4d5 - feat(data/finite/card): Add `finite.card_pos` (#16858)

feat(data/finite/card): Add `finite.card_pos` (#16858) We already have `finite.card_pos_iff` analogous to `fintype.card_pos_iff`. This PR adds `finite.card_pos` analogous to `fintype.card_pos`.