mathlib

2adc122c - feat(data/set/finite): remove exists_finset_of_finite (#1782)

feat(data/set/finite): remove exists_finset_of_finite (#1782) * feat(data/set/finite): remove exists_finset_of_finite exists_finset_of_finite is a duplicate of finite.exists_finset_coe At same time, provide a `can_lift` instance to lift sets to finsets. * Add docstring