let f₁ : s₁ ↓ₛ s₂' := ⟨ha₁, ht₁⟩
α : Type
inst✝ : Proper α
s₁ s₂ s₃ : State α
e₁ : s₁ ↓ₛ s₂
e₂ : s₂ ↓ₛ s₃
h : rcn (skip e₁) ≮[s₁.rtr]≯ rcn (skip e₂)
ha₁ : Allows s₁ (rcn (skip e₂))
ht₁ : ¬Triggers s₁ (Step.Skip.rcn e₂)
s₂' : State α := record s₁ (Step.Skip.rcn e₂)
⊢ ∃ s₂' s₃' e₁' e₂', rcn e₁' = rcn (skip e₂) ∧ rcn e₂' = rcn (skip e₁) ∧ s₃' = s₃
α : Type
inst✝ : Proper α
s₁ s₂ s₃ : State α
e₁ : s₁ ↓ₛ s₂
e₂ : s₂ ↓ₛ s₃
h : rcn (skip e₁) ≮[s₁.rtr]≯ rcn (skip e₂)
ha₁ : Allows s₁ (rcn (skip e₂))
ht₁ : ¬Triggers s₁ (Step.Skip.rcn e₂)
s₂' : State α := record s₁ (Step.Skip.rcn e₂)
f₁ : s₁ ↓ₛ s₂' := Step.Skip.mk ha₁ ht₁
⊢ ∃ s₂' s₃' e₁' e₂', rcn e₁' = rcn (skip e₂) ∧ rcn e₂' = rcn (skip e₁) ∧ s₃' = s₃