 Amongst true theories, then, it seems that the more true sentences that are entailed, the closer we get to \(T\), hence the more truthlike. Set theoretically that simply means that, where \(A\) and \(B\) are both true, \(A\) will be more truthlike than \(B\) just in case \(B\) is a proper subset of \(A\) (which for true theories means that \(B_T\) is a proper subset of \(A_T\)). Call this principle: the value of content for truths.