421. Lógica : morfologia mental - Luis André, Eloy (1876-1935); Luis André, Eloy

422. Elements of logic; - Coppée, Henry, 1821-1895.
xi, 13-275 p. diagrs. 18 cM.

423. An introduction to logic. - Monck, William Henry Stanley.
xvi, 259 p.

424. Elements of logic, - Whately, Richard, 1787-1863.
2 p. l., [3]-359 p.

425. Outlines of theoretical logic. - Ingleby, Clement Mansfield, 1823-1886.
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426. A text-book of logic, - Davies, Arthur Ernest.
xxviii, 601 p. 20 cm.

427. Textbook of logic, - Wolf, A. (Abraham), 1876-1948.
xiv, 323 p.

428. Caras y Caretas: la lógica de la integración - Rogers, Geraldine

429. Consideraciones sobre el origen de la lógica - Raskovsky, S.

430. La enseñanza de la lógica con el uso de problemas - Ertola Biraben, Rodolfo Cristian

431. Textbook of logic, - Cunningham, Holly Estil.
x p., 1 l., 428 p.

432. The problem of logic, - Gibson, William Ralph Boyce, 1869-1935.
xii, 500 p.

433. The principles of logic. - Bradley, F. H. (Francis Herbert), 1846-1924.
xvii, 534 p.

434. An outline of logic, - Bode, Boyd Henry, 1873-1953.
x p., 1 l., 324 p.

435. Logic / by Alexander Bain. - Bain, Alexander, 1818-1903.
2 v. ;

436. The elements of logic. - Duncan, William, 1717-1760.
5, vi-xii, [13]-239 p.

437. Introduction to logic. - Suppes, Patrick, 1922-
312 p.

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439. A Nonmonotonic Observation Logic - Frans Voorbraak
A variant of Reiter's default logic is proposed as a logic for reasoning with (defeasible) observations. Traditionally, default rules are assumed to represent generic information and the facts are assumed to represent specific information about the situation, but in this paper, the specific information derives from defeasible observations represented by (normal free) default rules, and the facts represent (hard) background knowledge. Whenever the evidence underlying some observation is more refined than the evidence underlying another observation, this is modelled by means of a priority between the default rules representing the observations. We thus arrive at an interpretation of prioritized normal free default logic as an observation logic, and we...

440. A Nonmonotonic Observation Logic - Frans Voorbraak
A variant of Reiter's default logic is proposed as a logic for reasoning with (defeasible) observations. Traditionally, default rules are assumed to represent generic information and the facts are assumed to represent specific information about the situation, but in this paper, the specific information derives from defeasible observations represented by (normal free) default rules, and the facts represent (hard) background knowledge. Whenever the evidence underlying some observation is more refined than the evidence underlying another observation, this is modelled by means of a priority between the default rules representing the observations. We thus arrive at an interpretation of prioritized normal free default logic as an observation logic, and we...

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