 Salmon (1984) and Schurz (2017) argue that systems governed by probabilistic dynamics together with conservation laws will give rise to violations of RCCP. Suppose that a brick weighing 2 kg falls onto a hard, peaked surface. The brick cracks and breaks into two pieces, A and B. Suppose that this process is genuinely chancy. Perhaps the precise point at which the brick strikes the surface, or the precise process of crack formation in the brick, is not determined by earlier states of the system. Let A be the event corresponding to piece A weighing some specific amount, say 1.2 kg, and let B be the event corresponding to piece B weighing the complementary amount, say 0.8 kg. Since the combined mass must be 2 kg, A will occur if and only if B occurs. Since the process is chancy, \(p(A) = p(B) = r &lt; 1\). However, 