 In 1971, he published a third edition of his Locke biography and the book Knowing and the Function of Reason, which includes a broad discussion of the laws of non-contradiction, excluded middle and identity, of the use of language in speech and thought, and of substance and causality.
<fluency>  In 1971, he published a third edition of his Locke biography and the book Knowing and the Function of Reason, which includes a broad discussion of the laws of non-contradiction, excluded middle and identity, of the use of language in speech and thought, and of substance and causality.
 In 1971, he published a third edition of his Locke biography and the book Knowing and the Function of Reason, which includes broad discussion of the laws of non-contradiction, excluded middle and identity, of the use of language in speech and thought, and of substance and causality.