What is the source of logical and mathematical truth? This volume revitalizes conventionalism as an answer to this question. Conventionalism takes logical and mathematical truth to have their source in linguistic conventions. This was an extremely popular view in the early 20th century, but it was never worked out in detail and is now almost universally rejected in mainstream p...(展开全部)

What is the source of logical and mathematical truth? This volume revitalizes conventionalism as an answer to this question. Conventionalism takes logical and mathematical truth to have their source in linguistic conventions. This was an extremely popular view in the early 20th century, but it was never worked out in detail and is now almost universally rejected in mainstream p...(展开全部)

In The Logical Syntax of Language, Carnap explains how his entire theory of language structure came to him like a vision when he was ill. He postulates that concepts of the theory of logic are purely syntactical and therefore can be formulated in logical syntax.

Available for the first time in 20 years, here is the Rudolf Carnap's famous "principle of tolerance" by which everyone is free to mix and match the rules of language and logic. In The Logical Syntax of Language, Carnap explains how his entire theory of language structure came to him like a vision when he was ill. He postulates that concepts of the theory of logic are purely sy...(展开全部)

卡尔纳普，经验主义和逻辑实证主义代表人物，维也纳学派的领袖之一。主要著作：《语言的逻辑句法》、《世界的逻辑构造》、《意义和必然》、《逻辑的形式化》等。

Isabel Allende transports us to a Latin American country in the grip of a military dictatorship, where Irene Beltran, an upperclass journalist, and Francisco Leal, a photographer son of a Marxist professor together discover a hideous crime. They also discover how far they dare go in search of the truth in a nation of terror . . . and how very much they risk. "From the Paperback...(展开全部)

Here is a tale of love and political commitment that centers on the unconventional, naive daughter of a wealthy family and the son of a Spanish exile, with whom she becomes involved. Together, as reporter and photographer, they uncover a hideous crime that puts their love and lives at risk. Previously published by Knopf.

Shadows are holes in light. They are see all the time and sometimes noticed, but their part in our visual experience of the world is mysterious. This text draws on contemporary cognitive science, 18th-century theories of visual perception and art history to discuss shadows and the visual knowledge they can offer. The author begins by describing the physical constitution and dif...(展开全部)

Shadows are holes in light. They are see all the time and sometimes noticed, but their part in our visual experience of the world is mysterious. This text draws on contemporary cognitive science, 18th-century theories of visual perception and art history to discuss shadows and the visual knowledge they can offer. The author begins by describing the physical constitution and dif...(展开全部)

布兰登·桑德森，美国奇幻作家，其续写的罗伯特·乔丹的《时光之轮》系列，打败丹·布朗的新书《失落的密符》，空降《纽约时报》畅销书排行榜并成为头号畅销书。其处女作《诸神之城：伊岚翠》出版当年便获得Romantic Times奇幻史诗大奖，并连续入选2006、2007年美国科幻/奇幻界地位最高的新人奖项。布兰登才思敏捷，风格多样， 其代表作《迷雾之子》系列全球销量数百万，确立了他在新生代奇幻作家中的领军地位。