“…However, in recent years both the Principle of Causal Exclusion, and the way it has been applied to challenge views like Santayana's, have come under criticism from many philosophers of mind. 31 Some have rejected the principle outright, while others have argued that views that appear to violate this principle, and lead to overdetermination, do not in fact do so. 32 Some have pointed out that the principle rules out two sufficient causes, but not a sufficient and insufficient cause.…”