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by ronin_niron 59 days ago
Fair pushback - I was loose with "inputs". Formally yes: if you fold input history into the state itself, every deterministic FSM stays deterministic, H pseudo-states included. The narrower point I was trying to make is that the diagram isn't a complete representation once H is involved. From the practical reading of statecharts - "look at the chart and predict next state given a transition" - H breaks that without showing what it added. The latent state exists but isn't drawn. So the formalism is sound; the visualization is incomplete.