J.E. Fenstad. Structures and Algorithms: Mathematics and the Nature of Knowledge. Logic, Argumentation & Reasoning; 15. Springer, 2018. Pp. x + 134. ISBN 978-3-319-72973-2 (hbk); 978-3-030-10294-4 (pbk); 978-3-319-72974-9 (e-book). doi.org/10.1007/978-3-319-72974-9.