Theorem: LO.Modal.Standard.Formula.or_inj (Logic/Modal/Standard/Formula.lean)

State before:
α : Type u
p₁ q₁ p₂ q₂ : Formula α
⊢ p₁ ⋎ p₂ = q₁ ⋎ q₂ ↔ p₁ = q₁ ∧ p₂ = q₂
Tactic:
simp[Vee.vee]
State after:
no goals