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Theorem

Definition

noun, plural: theorems

(1) An idea that has been verified or established as a principle.

(2) A statement or a theoretical proposition that is expected to be true.

(3) A rule or formula embodying something to be proved from other propositions or from basic postulates.


Supplement

A theorem is that which to be proved, to distinguish it from a problem, which is that one to be solved.


Word origin: L. Theorema, Gr. A sight, speculation, theory, theorem, fr. To look at, a spectator: cf. F. Theoreme.

Related forms: theorematic (adjective), theorematically (adverb).
Related terms: Bayes theorem.

Compare: theory.


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fisher's fundamental theorem of natural selection

Can't find any posts re this when searching. Can anyone explain this clearly (and without the use of maths).

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by alexpdys
Thu Oct 11, 2012 10:12 am
 
Forum: Evolution
Topic: fisher's fundamental theorem of natural selection
Replies: 0
Views: 897

Re:

... couldn’t demonstrate that it actually happened. :) 1. I'm fully aware of the second law of thermodynamics (I use it to argue an infinite universe theorem). If I had said 'creating' ions I could see where you're coming from, but generator is an often used term (Van De Graff generator, for example). ...

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by JoshuaFlynn
Thu May 31, 2012 1:18 pm
 
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 40
Views: 161218

Re: Theories - Origin of Life

... current technology, but it is possible in theory.) ...if you like “rigorous mathematics” , I can offer you some – consider Gödel's incompleteness theorem. Simply put, it states that the system can not be objectively evaluated from within the system. I think the incompleteness theorem says quite ...

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by AstraSequi
Sat Mar 31, 2012 7:09 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907175

Re: Theories - Origin of Life

... That type of reasoning is called “self-reference”, and if you like “rigorous mathematics” , I can offer you some – consider Gödel's incompleteness theorem. Simply put, it states that the system can not be objectively evaluated from within the system. And that’s what I pointed out using the computer ...

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by Nick7
Sat Mar 31, 2012 12:26 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907175

Fisher's theorem of natural selection

I was going through Fisher's theorem of natural selection It says that the growth rate is equivalent to fitness, but I don't understand why. Could you explain about this please? and does it matter whether the cells (that Fisher's theorem ...

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by blackdale
Tue Feb 28, 2012 1:42 am
 
Forum: Genetics
Topic: Fisher's theorem of natural selection
Replies: 1
Views: 1107
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