mathlib3
feat(data/list): lemmas about count and bag_inter
#797
Merged

Commits
  • feat(data/list): lemmas about count and bag_inter
    kim-em committed 7 years ago
  • using simp only, combining some rewrites
    kim-em committed 7 years ago
  • minor refactoring of the proof, mostly to prompt travis to try again
    kim-em committed 7 years ago
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