Algebraic Geometry has been at the center of much of mathematics for hundreds of years. It is not an easy field to break into, despite its humble beginnings in the study of circles, ellipses, hyperbolas, and parabolas. This text consists of a series of exercises, plus some background information and explanations, starting with conics and ending with sheaves and cohomology. The ...(展开全部)

This widely anticipated volume offers a systematic introduction to and striking analysis of the central issues animating current debate in moral philosophy.

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as...(展开全部)

Why must humanity suffer? In this elegant and thoughtful work, C. S. Lewis questions the pain and suffering that occur everyday and how this contrasts with the notion of a God that is both omnipotent and good. An answer to this critical theological problem is found within these pages.

For centuries people have been tormented by one question above all - 'If God is good and all-powerful, why does he allow his creatures to suffer pain?' And what of the suffering of animals, who neither deserve pain nor can be improved by it? The greatest Christian thinker of our time sets out to disentangle this knotty issue. With his signature wealth of compassion and insight,...(展开全部)

Beutifully repackaged as part of the C.S. Lewis Signature Classic Range, Lewis addresses the question which tortures every generation -- Why must we suffer? For centuries people have been tormented by one question above all -- 'If God is good and all-powerful, why does he allow his creatures to suffer pain?' And what of the suffering of animals, who neither deserve pain nor ca...(展开全部)

Can consciousness be fitted into a naturalistic worldview or is it inherently mysterious? In virtue of what does a physical organism come to have an inner conscious life? This book argues that we are not equipped to understand the workings of conciousness, despite its objective naturalness. Introspection does not reveal the hiddent structure of consciousness and it is this th...(展开全部)

The Latin term puer aeternus means eternal youth. In Jungian psychology it is used to describe a certain type of man - charming, affectionate, creative and ever in pursuit of his dreams. These are the men who remain adolescent well into their adult years, generally full of life yet strangely draining to those around them. We have worked with them, loved them and watched them wa...(展开全部)

莫里斯·曼德尔鲍姆{Maurice H.　Mandelbaum，1908-1987），先后毕业于达特茅斯学院、耶鲁大学，获得硕士和博士学位。曾先后执教于达特茅斯学院、约翰·霍普金斯大学，任比较文学教授、哲学教授。1968-1974年，任美国哲学学会主席。1973年.入选美国艺术与科学学院院士。 《历史知识问题》是曼德尔鲍姆的威名作，也是美国哲学家在历史哲学领域的第一部重要作品。奠他著作有《道德经验的现象学》（1955）、《哲学、科学与感性知觉》（1969）、《历史、人和理性》《1971）、<哲学、历史和科学》（1984），《社会理论中的目标和必然性》（1987）等书。