have : p < q ∨ p ≃ q := Or.inl ‹p < q›
ℕ ℤ ℚ : Type
inst✝¹⁰ : Natural ℕ
inst✝⁹ : Integer ℤ
inst✝⁸ : Core ℚ
inst✝⁷ : Addition ℚ
inst✝⁶ : Multiplication ℚ
inst✝⁵ : Negation ℚ
inst✝⁴ : Sign ℚ
inst✝³ : Subtraction ℚ
inst✝² : Reciprocation ℚ
inst✝¹ : Division ℚ
inst✝ : Order ℚ
p q : ℚ
OneOfThree : Prop := AA.OneOfThree (p < q) (p ≃ q) (p > q)
this : OneOfThree
a✝ : p < q
⊢ p ≤ q ∨ q ≤ p
ℕ ℤ ℚ : Type
inst✝¹⁰ : Natural ℕ
inst✝⁹ : Integer ℤ
inst✝⁸ : Core ℚ
inst✝⁷ : Addition ℚ
inst✝⁶ : Multiplication ℚ
inst✝⁵ : Negation ℚ
inst✝⁴ : Sign ℚ
inst✝³ : Subtraction ℚ
inst✝² : Reciprocation ℚ
inst✝¹ : Division ℚ
inst✝ : Order ℚ
p q : ℚ
OneOfThree : Prop := AA.OneOfThree (p < q) (p ≃ q) (p > q)
this✝ : OneOfThree
a✝ : p < q
this : p < q ∨ p ≃ q
⊢ p ≤ q ∨ q ≤ p