Daily Archives: January 19, 2011

Inception 14

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潛行凶間 14

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Repetition

Because the mind still dreams after a false awakening, there may be more than one false awakening in a single dream. Subjects may dream they wake up, eat breakfast, brush their teeth, and so on; suddenly awake again in bed (still in a dream), begin morning rituals again, awaken again, and so forth. The French psychologist Yves Delage reported an experience of his own of this kind, in which he experienced four successive false awakenings. The philosopher Bertrand Russell even claimed to have experienced “about a hundred” false awakenings in succession while coming round from a general anaesthetic.

— Wikipedia on False awakening

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2011.01.19 Wednesday ACHK

魔間傳奇 2.4

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讀心術 8.4

這段改篇自 2010 年 3 月 25 日的對話。

你覺得很「奇怪」，是因為你仍然假設了「大部分地球人是理性和善良的」。如果你知道和體會到這個理論是錯的，而轉用一個符合實情的理論時，你就不會再覺得「奇怪」。如果你的理論是「大部分地球人是瘋狂的怪獸」時，你就會覺得，你所觀察到的「忘恩負義」現象是「自然」的。當然，「自然」不代表「美好」。

（CN：但是，我仍然覺得，到了人的心深處，會發現它是善良的。）

第一，你要視乎是哪一個人的心深處。

第二，你不知道是否真的可以到達一個人的心深處。

第三，假設你可以到達，情況未必是「非黑即白」。你可能會同時發現一隻天使加一隻魔鬼。但是你要留意，破壞很易，建設很難。當一隻天使和一隻魔鬼相爭時，魔鬼往往有優勢。所以，那個「心深處同時有一隻天使和一隻魔鬼」的人，大部人情況下，整體會化身成一隻壞人。

— Me@2011.01.19

2011.01.19 Wednesday (c) All rights reserved by ACHK

Riemann surface

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In mathematics, particularly in complex analysis, a Riemann surface, first studied by and named after Bernhard Riemann, is a one-dimensional complex manifold. Riemann surfaces can be thought of as “deformed versions” of the complex plane: locally near every point they look like patches of the complex plane, but the global topology can be quite different. For example, they can look like a sphere or a torus or a couple of sheets glued together.

The main point of Riemann surfaces is that holomorphic functions may be defined between them. Riemann surfaces are nowadays considered the natural setting for studying the global behavior of these functions, especially multi-valued functions such as the square root and other algebraic functions, or the logarithm.

— Wikipedia on Riemann surface

2011.01.19 Wednesday ACHK