lemma
proved
term proof
fixedEndpoints_symm
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formal statement (Lean)
97lemma fixedEndpoints_symm {a b : ℝ} {γ₁ γ₂ : AdmissiblePath a b}
98 (h : fixedEndpoints γ₁ γ₂) : fixedEndpoints γ₂ γ₁ :=
proof body
Term-mode proof.
99 ⟨h.1.symm, h.2.symm⟩
100