Theorem: Execution.Step.Exec.preserves_tag (ReactorModel/Execution/Theorems/Step/Exec.lean)

State before:
α : Type
inst✝ : Hierarchical α
s₁ s₂ : State α
e : s₁ ↓ₑ s₂
⊢ s₁.tag = s₂.tag
Tactic:
simp [e.dst_eq, State.record_preserves_tag, e.apply.preserves_tag]
State after:
no goals