Mathlib v3 is deprecated. Go to Mathlib v4

Theorem friendship.is_regular_of_not_exists_politician

Modification history

2023-05-30 23:18
archive/100-theorems-list/83_friendship_graphs.lean
chore(archive + counterexamples): namespaces imo, theorems_100, counterexample, plus three more (#19129) …
Deleted friendship.is_regular_of_not_exists_politicianView on Github →
2020-09-01 06:48
archive/100-theorems-list/83_friendship_graphs.lean
feat(archive/100-theorems-list): friendship theorem (nr 83) (#3970) …
Added friendship.is_regular_of_not_exists_politicianView on Github →