  Since there are non-men, the conclusion is not truth-valueless, and since there are no chimeras it is false. Thus we have passed from a true claim to a false one. (The example does not even involve the problematic O form.) All steps are validated by Strawson’s doctrine. So Strawson reaches his goal of preserving certain patterns commonly identified as constituting traditional logic, but at the cost of sacrificing the application of logic to extended reasoning.