“…Jackson and Pettit argue that the equality of the forces programs for the equality of effects even though it does not cause it. Program explanations are, they argue, a viable and necessary alternative to process explanations, which are explanations in terms of the causally efficacious properties (see also Bliss and Fernandez 2010). If we are to give up on program explanations then we must dismiss all the perfectly good explanations offered by the special sciences, and even those offered by physics that involve reference to an indeterminate number of things (Jackson and Pettit 1990b, p.112).…”