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Theorem simple_graph.dart_card_eq_twice_card_edges

Modification history

2020-12-11 01:46

src/combinatorics/simple_graph/degree_sum.lean

feat(combinatorics/simple_graph/degree_sum): degree-sum formula and handshake lemma (#5263) …

Added simple_graph.dart_card_eq_twice_card_edges View on Github →