The fourth book explains the divinity of the Scriptures, and deduces rules for their interpretation.
Thomsen deduces the actual values of X, Y, Z to be 14.71, 13.27 and zero; the last value he considers to be in agreement with the labile equilibrium of acetylenic compounds.
This work not only criticizes and comments on the theories of Aristotle and the Peripatetics, but also deduces from them a modern philosophical system.
Thus, by the criterion of harmony, Shaftesbury refutes Hobbes, and deduces the virtue of benevolence as indispensable to morality.
Thus Cyrenaicism goes beyond the critical scepticism of the Sophists and deduces a single, universal aim for all men, namely pleasure.