Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2018-12-20 08:12 fc90e009

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feat(ring_theory/subring) various lemmas (#532) new lemmas:

  • is_ring_hom.is_subring_set_range
  • ring.in_closure.rec_on
  • ring.closure_mono changed:
  • ring.exists_list_of_mem_closure

Estimated changes