argumentalogica-120913175419-phpapp01.pdf
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7/23/2019 argumentalogica-120913175419-phpapp01.pdf http://slidepdf.com/reader/full/argumentalogica-120913175419-phpapp01pdf 1/20 A RGUMENTAÇÃO E L ÓGICA F ORMAL JORGE BARBOSA >> 2012-2013 Filosofia
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Transcript of argumentalogica-120913175419-phpapp01.pdf
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ARGUMENTAÇÃO E LÓGICA FORMAL
JORGE BARBOSA >> 2012-2013 Filosofia
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SUMÁRIO
ARGUMENTAÇÃO E LÓGICA FORMAL !
Distinção validade/verdade! Formas de inferência válida! Principais falácias
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NOÇÕES GERAIS "
Argumento e proposição
"
Dedução e indução
"
Forma e conteúdo
" Validade e verdade
1
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DEDUÇÃO E INDUÇÃO
DEDUÇÃO E INDUÇÃO
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DEDUÇÃO E I NDUÇÃO
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F8 G("+/ .13%(C$%D9*%1+8
∴ B+"+/ %(/0+)/=3(1/ 0(.+ -'( 7$E("+/
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DEDUÇÃO E INDUÇÃO
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DEDUÇÃO E INDUÇÃO
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DEDUÇÃO E I NDUÇÃO
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DEDUÇÃO E INDUÇÃO
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DEDUÇÃO E INDUÇÃO
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DEDUÇÃO E INDUÇÃO
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FORMA E CONTEÚDO
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FORMA E CONTEÚDO
FORMA E CONTEÚDO
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∴ W+6+ *(3( '" $514()*(8
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FORMA E CONTEÚDO
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F8
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FORMA E CONTEÚDO
FORMA E CONTEÚDO
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∴ G+4$/ $/ $NO(/ /6+ 5$'/$4$/
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∴ G+4+/ +/ $.()*(2$)+/ /6+ ('%+0('/8
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FORMA E CONTEÚDO
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F8
G+4+/ +/$5+)*(51"()*+/ /6+5$'/$4+/ \*J" '"$5$'/$]8
∴ G+4$/ $/ $NO(/ /6+
5$'/$4$/
A8 G+4+/ +/$.()*(2$)+/ /6+0+%*'&'(/(/8
F8
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∴ G+4+/ +/$.()*(2$)+/ /6+
('%+0('/8
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11
FORMA E CONTEÚDO
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11
LÓGICA FORMAL
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V ALIDADE E V ERDADE
H 3$.14$4( %(.$51+)$C/( 5+" $ 3(%4$4(:)$ "(414$ (" -'( '" $%&'"()*+ 3=.14+, $-'(.( (" -'(: /( $/ 0%("1//$/ 7+%("3(%4$4(1%$/: $ 5+)5.'/6+ *$"D," ,
3(%4$4(1%$8
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ARGUMENTAÇÃO
E L
ÓGICA F
ORMAL
JORGE BARBOSA >> 2012-2013 Filosofia
V6+ /( (/-'(N$ 4(7$E(% +/ (<(%5951+/)+ a"++4.(b8
