Before revision:  Decision outcomes must be expected by the decider to lead to certain decision effects, by way of their being put into effect. The availability of a model or of a theory of the causal chain leading from a decision outcome to one or more decision effects is assumed for the decision taker , otherwise the decision outcome is merely an utterance.
After revision:  Decision outcomes must be expected by the decider . Using a model or of a theory of the causal chain leading from a decision outcome to one or more decision effects is assumed for the decision taker , otherwise the decision outcome is merely an utterance.