Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2020-04-03 12:34 a590d4b5

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feat(group_theory/monoid_localization): some homs induced on localizations: lift, map (#2118)

  • should I be changing and committing toml idk
  • initial monoid loc lemmas
  • responding to PR comments
  • removing bad @[simp]
  • inhabited instances
  • remove #lint
  • additive inhabited instance
  • using is_unit & is_add_unit
  • doc string
  • remove simp
  • submonoid.monoid_loc... -> submonoid.localization
  • submonoid.monoid_loc... -> submonoid.localization
  • generalize inhabited instance
  • remove inhabited instance
  • 2nd section
  • docs and linting
  • removing questionable @[simp]s
  • removing away
  • adding lemmas, removing 'include'
  • removing import
  • responding to PR comments
  • use eq_of_eq to prove comp_eq_of_eq
  • name change
  • trying to update mathlib
  • make lemma names consistent
  • Update src/algebra/group/is_unit.lean
  • Update src/algebra/group/is_unit.lean
  • fix build
  • documentation and minor changes
  • spacing
  • fix build
  • applying comments

Estimated changes

modified theorem is_unit.coe_lift_right
modified theorem is_unit.map
modified theorem is_unit_iff_exists_inv'
modified theorem is_unit_iff_exists_inv
added theorem is_unit_of_mul_eq_one
deleted theorem is_unit_of_mul_one
modified theorem is_unit_unit