Archimedes foundation (5 risultati)

Booklet. Condizione: Very Good. No Jacket. ".informal account of a deductively-organized system of classical sentential logic that is based on logical equivalence rather than entailment. Rare.

Soft cover. Condizione: Very Good+. Condizione sovraccoperta: Very Good. 74 page booklet. This book consists of a series of brief segments, to which a reference might be made subsequently. Most special terms are underlined when introduced, and the symbol appears at he end of every proof. Almost all the proved results are exploited subsequently, but some have been included. Examples of chapters include: fundamental notions, assumed equivalence principles and rules, The Replacement Theorem, tokens, consistency, etc. Professional book seller with storefront since 1975. All orders carefully packaged and promptly shipped.…

Paperback. Condizione: Very Good. First Edition. A very good copy: firm, clean, square and tight with no underlining or splits. Not from a library so no such stamps or labels, just a former owner's bookplate and inscription at the endpaper.

Softcover. Condizione: Good. Soiling and browning to the covers. ; Small 4to 9" - 11" tall; 98 pages.

Paperback. Condizione: Near Fine. 6 x 8 in. Yellow paper wrappers. Condition is NEAR FINE ; like new on all points, stapled binding tight, unmarked. Phil. Stax.