Grice and Kenny on 'fiat' ("Fiat-p")

On Practical Inference and the Logic of Imperativesby E SOSA - 1966 - Cited by 8 - Related articles
3 (1966); and A. J. Kenny, “Practical Inference”, Analysis, Vol. 26. (1966). .... By having 'Fiat-p' be satisfied by the truth of 'Est-p' and by letting 'Fiat-p' entail 'Fiat-q' .... We could then even build a logic of “satisfactoriness for ... Geach proceeds ”. . . to give formal rules for practical inferences ...
onlinelibrary.wiley.com/doi/10.1111/j.1755-2567.1966.tb00602.x/pdf