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	<title>dudektria</title>
	<link>http://dudektria.org</link>
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		<title>Funções (parte 1)</title>
		<description>Funções são como &amp;#8220;regras&amp;#8221; de atribuição. Uma função &amp;#8220;atribui&amp;#8221; um elemento de um conjunto a cada elemento de outro conjunto. É intuitivo pensar então em funções como casos particulares de relações. Definição 1: Sejam e conjuntos quaisquer. Uma função de em é uma relação entre e tal que se e , então e são os [...]
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			<feedburner:origLink>http://dudektria.org/2010/07/04/funcoes-1/</feedburner:origLink></item>
	<item>
		<title>Pares ordenados e Relações</title>
		<description>Vou relembrar pares ordenados e relações. Um caso particular de relações, funções, será o próximo tema. Primeiramente, a noção de igualdade entre conjuntos que definimos ignora multiplos elementos idênticos; ordem em que os elementos são apresentados, uma vez que os conjuntos , e seriam iguais &amp;#8212; lembre-se que dois conjuntos são iguais simplesmente se eles [...]
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			<feedburner:origLink>http://dudektria.org/2010/06/22/pares-ordenados-e-relacoes/</feedburner:origLink></item>
	<item>
		<title>Conjuntos</title>
		<description>Vou reunir aqui alguns resultados sobre conjuntos. Depois, numa próxima postagem, reunirei alguns resultados sobre funções. Conjuntos Um conjunto é uma coleção de objetos &amp;#8212; bastante desapontante, não? Escreve-se para denotar que pertence ao conjunto . Geralmente denota-se um conjunto diretamente, pelos seus elementos, escrevendo , ou informando qual propriedade um elemento deverá satisfazer para [...]
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			<feedburner:origLink>http://dudektria.org/2010/06/22/conjuntos/</feedburner:origLink></item>
	<item>
		<title>Esclarecimentos primeiros</title>
		<description>Eu não gosto da interface do WordPress, ela me irrita realmente. Gostaria de escrever meus posts com o Vim e &amp;#8220;upar&amp;#8221; o troço de alguma forma. Se alguém souber como fazer isso de maneira simples no Linux eu serei muito grato. De qualquer maneira, vou começar pelo começo. Fiz um tal de PAM na minha [...]
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			<feedburner:origLink>http://dudektria.org/2010/06/19/esclarecimentos-primeiros/</feedburner:origLink></item>
	<item>
		<title>Renascimento</title>
		<description>Confrontos, decepções, motivações e ilusões. A vida de qualquer coisa é assim, qualquer coisa. E de um blog não é diferente. Iniciei isso aqui como um projeto meio discordiano, mas depois de um tempo desisti. Queria fazer algo mais sério. Mas o que? Quem iria ler? O que fazer com ele? Este é um novo [...]
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			<feedburner:origLink>http://dudektria.org/2010/06/19/hello-world/</feedburner:origLink></item>
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