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| Tags: dirk, moortel, nomination, van, vvfws |
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#91
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"Richard Tobin" wrote in message ... | In article , | Androcles Androcles@ MyPlace.org wrote: | Actually it is dumb of you. Obviously you have no idea what a group is. | Rubik's cube is solved when you find the identity. | | Just when you think they can't get any stupider, they do. | | -- Richard You sure do. Anyway, I can't be bothered with non-mathematicians or phuckwits writing to sci. newsgroups and saying we are stupid. *plonk* Androcles. |
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#92
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"Androcles" Androcles@ MyPlace.org writes:
"Richard Tobin" wrote in message ... | In article .com, | Schoenfeld wrote: | | I DEFINED the 'additive identity': | Axiom: Additive Identity | "for all x there exists y such that x + y = x" | | That was dumb of you. Actually it is dumb of you. Obviously you have no idea what a group is. Guffaw. It just happens that identity is defined differently in a group. Rubik's cube is solved when you find the identity. Are you paid for your stupidities? The above definition more or less guarantees that for each sequence of moves on the cube, you can find a particular move that will not change anything. That's not really an impressive feat. You were probably thinking about the additive _inverse_. However, the problem is not finding the inverse of a sequence of moves reaching a particular state, but rather decomposing this inverse into a concatenation of a small number of elementary steps. For someone who claims having worked in quality control, you should try not to release completely unchecked and incoherent drivel into the public. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum |
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#93
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"Androcles" Androcles@ MyPlace.org wrote in message ... "Richard Tobin" wrote in message ... | In article .com, | Schoenfeld wrote: | | I DEFINED the 'additive identity': | Axiom: Additive Identity | "for all x there exists y such that x + y = x" | | That was dumb of you. | | -- Richard Actually it is dumb of you. Obviously you have no idea what a group is. Rubik's cube is solved when you find the identity. Androcles :-) http://users.pandora.be/vdmoortel/di...droGroups.html Dirk Vdm |
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#95
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#96
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Schoenfelch:
Bilge wrote: What you've written means that if, x_1 + y_1 = x_1 x_2 + y_2 = x_2 . . your definition does not require y_1 = y_2, etc. Thanks for repeating what I said 5 times already and for agreeing with me. I'm not agreeing with you. You just agreed that you are wrong. Obviously, your definition cannot be used to define a group, since the identity for a group is unique. You said agreed that your definition of the identity doesn't require it to be unique. Obviously, I've enumerated an element, y, for all x. By contrast, ``There exists _a_ y, such that...'' implies y_1 = y_2, etc. The seconf definition implies the identity is unique. Thanks for repeating what I said 5 times already and for agreeing with me. I guess somewhere, you said you were wrong. I must have missed it. |
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