{"product_id":"modal-logic-cambridge-university-press-9780521295154-an-introduction","title":"Modal Logic","description":"\u003cp\u003eModality is a rapidly expanding branch of logic and familiarity with the subject is now regarded as a necessary part of every philosopher's technical equipment. Brian F. Chellas provides a systematic introduction to the principal ideas and results in contemporary treatments of modality, including theorems on completeness and decidability.\u003c\/p\u003e","brand":"Bookshop","offers":[{"title":"Default Title","offer_id":52235325997398,"sku":"9780521295154","price":33.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9780521295154.jpg?v=1767755257","url":"https:\/\/www.englishbook.fi\/products\/modal-logic-cambridge-university-press-9780521295154-an-introduction","provider":"Bookshop","version":"1.0","type":"link"}