def ignore_intervention_entirely_assumption(x, y, z, w, g):
g_xbar = g.prune_edges_to(x)
w_ancestors = find_ancestors(set(w), g.make_arcs_from())
zw = set(vertex for vertex in z if vertex not in w_ancestors)
g_xbar_zwbar = g_xbar.prune_edges_to(zw)
arcs_from = g_xbar_zwbar.make_arcs_from()
return (y and z and not is_d_connected(y, z, set(w) | set(x), arcs_from))
def ignore_intervention_act_assumption(x, y, z, w, g):
g_xbar = g.prune_edges_to(x)
g_xbar_zunderbar = g_xbar.prune_edges_from(z)
arcs_from = g_xbar_zunderbar.make_arcs_from()
return (y and z and not is_d_connected(y, z, set(w) | set(x), arcs_from))
def ignore_observations_assumption(x, y, z, w, g):
g_xbar = g.prune_edges_to(x)
arcs_from = g_xbar.make_arcs_from()
return (y and z and not is_d_connected(y, z, set(w) | set(x), arcs_from))