3 lines
251 B
Text
3 lines
251 B
Text
@[_refl_lemma]
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theorem node.balance._main.equations._eqn_1 : ∀ {α : Type u} (k : α) (r : node α), balance._main (leaf α) k r = black_node (leaf α) k r :=
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λ {α : Type u} (k : α) (r : node α), eq.refl (id_delta (balance._main (leaf α) k r))
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