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theorem proved term proof

law_of_existence

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formal statement (Lean)

 232theorem law_of_existence {x : ℝ} (hx : 0 < x) : Exists x ↔ x = 1 := by

proof body

Term-mode proof.

 233  simp only [Exists, J_eq_zero_iff hx, and_iff_right hx]
 234
 235/-- Unity is the unique existent. -/

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depends on (8)

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