rcases hpq with ⟨_, hq'⟩
case inr.inl
p q : ℝ≥0∞
hpq✝ : p⁻¹ + q⁻¹ = 1
hp : ¬p = ⊤
hq : ¬q = ⊤
hpq : p = 1 ∧ q = ⊤
⊢ (ENNReal.toNNReal p).IsConjExponent (ENNReal.toNNReal q)
case inr.inl.intro
p q : ℝ≥0∞
hpq : p⁻¹ + q⁻¹ = 1
hp : ¬p = ⊤
hq : ¬q = ⊤
left✝ : p = 1
hq' : q = ⊤
⊢ (ENNReal.toNNReal p).IsConjExponent (ENNReal.toNNReal q)