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<script>setTimeout('window.close()',15000);</script>%PDF-1.1 %ту╧╙ 2 0 obj << /Length 4579 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 70.65 769.54 m 538.41 769.54 l S 0 0 0 rg 0.96 w 1000 M 511.18 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 520.77 38.44 Tm 0 0 0 0 k BX /GS3 gs EX (1)Tj ET 3 w 10 M BX /GS2 gs EX 71.25 55.78 m 539.01 55.78 l S BT /F8 1 Tf 24 0 0 24 169.41 780.4 Tm 0 0 0 rg BX /GS3 gs EX -0.001 Tc 0.015 Tw (Joselias@uol.com.br - R)Tj 18 0 0 18 411.09 780.4 Tm BX /GS2 gs EX (acioc\355nio )Tj 24 0 0 24 483.81 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 498.45 780.4 Tm BX /GS2 gs EX 0 Tc (\363gico)Tj 30 0 0 30 262.05 732.88 Tm BX /GS3 gs EX (L\363gica)Tj /F9 1 Tf 13 0 0 13 99.09 694.84 Tm BX /GS2 gs EX -0.001 Tc 0.061 Tw (Existem muitas defini\347\365es para a palavra )Tj /F11 1 Tf 16.975 0 TD (\223)Tj /F8 1 Tf 0.498 0 TD -0.002 Tc (l\363gica)Tj /F11 1 Tf 2.502 0 TD (\224)Tj /F9 1 Tf 0.498 0 TD -0.001 Tc (, por\351m no caso do nosso estudo)Tj -22.662 -1.2 TD -0.03 Tw (n\343o \351 relevante um aprofundamento nesse ponto, \351 suficiente apenas discutir alguns pontos)Tj T* -0.026 Tw (de vista sobre o assunto. Alguns autores definem l\363gica como sendo a )Tj /F8 1 Tf 27.886 0 TD -0.027 Tw (\223Ci\352ncia das leis do)Tj -27.886 -1.2 TD -0.002 Tc (pensamento\224)Tj /F9 1 Tf 5.437 0 TD -0.001 Tc 0.017 Tw [(, e neste caso existem diver)27(g\352ncias com essa defini\347\343o, pois o pensamento \351)]TJ -5.437 -1.2 TD 0.098 Tw (mat\351ria estudada na Psicologia, que \351 uma ci\352ncia distinta da l\363gica \(ci\352ncia\). Segundo)Tj /F13 1 Tf T* -0.042 Tw (Irving Copi)Tj /F9 1 Tf 4.588 0 TD (, uma defini\347\343o mais adequada \351: )Tj /F8 1 Tf 13.292 0 TD (\223A l\363gica)Tj /F9 1 Tf 3.877 0 TD ( )Tj /F8 1 Tf 0.203 0 TD (\351 uma ci\352ncia do racioc\355nio\224)Tj /F9 1 Tf 11.695 0 TD [( , pois)]TJ -33.655 -1.2 TD -0.06 Tw (a sua id\351ia est\341 ligada ao processo de racioc\355nio correto e incorreto que depende da estrutura)Tj T* -0.036 Tw [(dos ar)8(gumentos envolvidos nele. Assim concluimos que a l\363gica estuda as formas ou estru-)]TJ T* 0.003 Tw (turas do pensamento, isto \351, seu prop\363sito \351 estudar e estabelecer propriedades das rel\347\365es)Tj T* 0.001 Tw (formais entre as proposi\347\365es.)Tj 2.188 -2.4 TD 0.076 Tw [(V)121(eremos nas pr\363ximas linhas a defini\347\343o do que venha a ser uma proposi\347\343o, bem)]TJ -2.188 -1.2 TD -0.055 Tw (como o seu c\341lculo proposicional antes de chegarmos ao nosso objetivo maior que \351 estudar)Tj T* 0.005 Tw [(as estruturas dos ar)17(gumentos, que ser\343o conjuntos de proposi\347\365es denominadas )]TJ /F8 1 Tf 31.938 0 TD -0.002 Tc (premissas)Tj /F9 1 Tf -31.938 -1.2 TD (ou )Tj /F8 1 Tf 1.255 0 TD (conclus\365es)Tj /F9 1 Tf 4.486 0 TD (.)Tj ET 0.75 w 184.89 426.58 m 99.09 426.58 l S BT /F11 1 Tf 15 0 0 15 99.09 428.08 Tm 0 Tc [(DEFINI\307\303O)8(:)]TJ ET 0.65 w 112.53 394.86 m 99.09 394.86 l S BT 13 0 0 13 99.09 396.16 Tm -0.003 Tc (Pr)Tj ET 160.05 394.86 m 112.41 394.86 l S BT 13 0 0 13 112.41 396.16 Tm 0 Tc (oposi\347\343o:)Tj /F9 1 Tf -1.025 -2.4 TD -0.001 Tc -0.041 Tw (Chamaremos de proposi\347\343o ou senten\347a, a todo conjunto de palavras ou s\355mbolos que)Tj -2.188 -1.2 TD -0.008 Tw (exprimem um pensamento de sentido completo.)Tj 2.188 -2.4 TD -0.006 Tw (Sendo assim, vejamos os exemplos:)Tj /F11 1 Tf T* -0.002 Tc (a\))Tj /F9 1 Tf 1.08 0 TD -0.001 Tc 0 Tw (O curso Pr\351-Fiscal fica em S\343o Paulo.)Tj /F11 1 Tf -1.08 -2.4 TD -0.003 Tc (b\))Tj /F9 1 Tf 1.08 0 TD -0.001 Tc -0.002 Tw (O Brasil \351 um Pa\355s da Am\351rica do Sul.)Tj /F11 1 Tf -1.08 -2.4 TD -0.002 Tc (c\))Tj /F9 1 Tf 1.08 0 TD -0.001 Tc 0 Tw (A Receita Federal pertence ao poder judici\341rio.)Tj -1.08 -2.4 TD -0.046 Tw (Evidente que voc\352 j\341 percebeu que as proposi\347\365es podem assumir os valores falsos ou)Tj -2.188 -1.2 TD 0.002 Tw (verdadeiros, pois elas expressam a descri\347\343o de uma realidade, e tamb\351m observamos que)Tj T* -0.028 Tw (uma proposi\347\343o representa uma informa\347\343o enunciada por uma ora\347\343o, e portanto pode ser)Tj T* -0.002 Tw (expressa por distintas ora\347\365es, tais como:)Tj /F13 1 Tf 2.188 -2.4 TD -0.061 Tw [(\223Pedr)45(o \351 maior que Carlos\224)]TJ /F9 1 Tf 11.243 0 TD -0.063 Tw (, ou podemos expressar tamb\351m por)Tj /F13 1 Tf 14.095 0 TD [( \223Carlos \351 menor que)]TJ -27.526 -1.2 TD -0.003 Tc [(Pedr)34(o\224)]TJ /F9 1 Tf 2.954 0 TD (.)Tj ET endstream endobj 3 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F13 8 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 13 0 obj << /Length 4284 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 56.59 769.54 m 524.35 769.54 l S 0 0 0 rg 0.96 w 1000 M 56.78 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 66.31 38.44 Tm 0 0 0 0 k BX /GS3 gs EX (2)Tj ET 3 w 10 M BX /GS2 gs EX 56.47 55.78 m 524.11 55.78 l S BT /F8 1 Tf 24 0 0 24 56.59 780.4 Tm 0 0 0 rg BX /GS3 gs EX (R)Tj 18 0 0 18 72.55 780.4 Tm BX /GS2 gs EX -0.001 Tc 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Tc -0.001 Tw (\223O Curso Pr\351-Fiscal fica em S\343o Paulo\224)Tj /F9 1 Tf 16.56 0 TD (\351 um proposi\347\343o verdadeira.)Tj /F11 1 Tf -17.649 -2.4 TD -0.003 Tc (b\))Tj /F13 1 Tf 1.089 0 TD -0.001 Tc 0 Tw (\223O Brasil \351 um Pa\355s da Am\351rica do Sul\224)Tj /F9 1 Tf 16.348 0 TD -0.001 Tw ( \351 uma proposi\347\343o verdadeira.)Tj /F11 1 Tf -17.437 -2.4 TD -0.002 Tc (c\))Tj /F13 1 Tf 1.089 0 TD -0.001 Tc 0 Tw (\223A Receita Federal pertence ao poder judici\341rio\224)Tj /F9 1 Tf 20.058 0 TD 0.001 Tw (, \351 uma proposi\347\343o falsa.)Tj -21.148 -3.6 TD 0.002 Tw (As proposi\347\343o ser\343o representadas por letras do alfabeto:)Tj 15 0 0 15 84.91 413.08 Tm 0 Tc -0.007 Tw (a, b, c, . . . , p, q, . . .)Tj 13 0 0 13 84.91 381.16 Tm -0.001 Tc 0.053 Tw (As proposi\347\365es simples \(\341tomos\) combinam-se com outras, ou s\343o modificadas por)Tj -2.178 -1.2 TD 0.002 Tw (alguns operadores \(conectivos\), gerando novas senten\347as chamadas de )Tj /F8 1 Tf 28.412 0 TD -0.002 Tc (mol\351culas)Tj /F9 1 Tf 4.154 0 TD (.)Tj -30.388 -2.4 TD -0.001 Tc 0.001 Tw (Os conectivos ser\343o representados da seguinte forma:)Tj ET 0.122 0.102 0.09 RG 1 J 1 j 0.36 w BX /GS3 gs EX 86.11 303.76 m 86.11 305.92 l 86.59 308.08 l 86.95 308.92 l 87.19 309.76 l 87.79 310.24 l 88.87 310.24 l 89.35 310 l 89.47 309.76 l 89.71 309.52 l 89.95 308.44 l 90.19 307 l 90.31 305.68 l 90.55 304.6 l 90.55 304.36 l 91.15 303.76 l 92.47 303.76 l 93.07 304.36 l 93.55 305.2 l 93.91 305.92 l 94.39 308.08 l 94.39 310.24 l S BT 13 0 0 13 113.11 303.16 Tm BX /GS2 gs EX 0 Tw (corresponde a )Tj /F11 1 Tf 5.8250 TD (\223)Tj /F8 1 Tf 0.498 0 TD -0.003 Tc (n\343o)Tj /F11 1 Tf 1.551 0 TD (\224)Tj /F14 1 Tf 15.72 0 0 15.72 86.71 267.281 Tm BX /GS3 gs EX (\331)Tj /F9 1 Tf 13 0 0 13 113.11 269.08 Tm BX /GS2 gs EX -0.001 Tc (corresponde a )Tj /F11 1 Tf 5.825 0 TD -0.002 Tc (\223e\224)Tj /F14 1 Tf 15.72 0 0 15.72 86.71 230.201 Tm BX /GS3 gs EX (\332)Tj /F9 1 Tf 13 0 0 13 113.11 231.88 Tm BX /GS2 gs EX -0.001 Tc (corresponde a )Tj /F11 1 Tf 5.825 0 TD -0.002 Tc (\223ou\224)Tj /F14 1 Tf 18 0 0 18 86.35 192.881 Tm BX /GS3 gs EX (\336)Tj /F9 1 Tf 13 0 0 13 113.11 194.68 Tm BX /GS2 gs EX -0.001 Tc (corresponde a )Tj /F11 1 Tf 5.825 0 TD -0.002 Tc (\223ent\343o\224)Tj /F14 1 Tf 18 0 0 18 86.71 155.681 Tm BX /GS3 gs EX (\333)Tj /F9 1 Tf 13 0 0 13 113.11 157.48 Tm BX /GS2 gs EX -0.001 Tc -0.002 Tw (corresponde a )Tj /F11 1 Tf 5.815 0 TD (\223se somente se\224)Tj /F9 1 Tf -7.985 -4.948 TD -0.056 Tw (Sendo assim, a partir de uma proposi\347\343o podemos construir uma outra correspondente)Tj -2.178 -1.2 TD -0.003 Tw (com a sua nega\347\343o; e com duas ou mais, podemos formar:)Tj ET endstream endobj 14 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F13 8 0 R /F14 15 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 17 0 obj << /Length 5635 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 70.65 769.54 m 538.41 769.54 l S 0 0 0 rg 0.96 w 1000 M 511.18 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 520.77 38.44 Tm 0 0 0 0 k BX /GS3 gs EX (3)Tj ET 3 w 10 M BX /GS2 gs EX 71.25 55.78 m 539.01 55.78 l S BT /F8 1 Tf 24 0 0 24 169.41 780.4 Tm 0 0 0 rg BX /GS3 gs EX -0.001 Tc 0.015 Tw (Joselias@uol.com.br - R)Tj 18 0 0 18 411.09 780.4 Tm BX /GS2 gs EX (acioc\355nio )Tj 24 0 0 24 483.81 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 498.45 780.4 Tm BX /GS2 gs EX 0 Tc (\363gico)Tj ET 0.9 0.9 0.9 rg BX /GS3 gs EX 113.8 210.1 51.6 -42.9 re f* 0.48 w 1000 M BX /GS2 gs EX 114.04 229.41 51.12 -62.47 re S 10 M 139.65 229.6 m 139.65 167.44 l 113.85 188.92 m 165.45 188.92 l 113.85 210.16 m 165.45 210.16 l S BT /F9 1 Tf 13 0 0 13 99.09 746.44 Tm 0 0 0 rg (\225)Tj /F11 1 Tf 1.08 0 TD -0.002 Tc (Conjun\347\365es)Tj /F9 1 Tf 4.985 0 TD 2.362 Tc [(:a)2364( )]TJ /F14 1 Tf 14.4 0 0 14.4 222.93 746.321 Tm BX /GS3 gs EX (\331)Tj /F11 1 Tf 13 0 0 13 233.25 746.44 Tm BX /GS2 gs EX ( )Tj /F9 1 Tf 0.249 0 TD (b)Tj /F11 1 Tf 0.498 0 TD ( )Tj /F9 1 Tf 0.249 0 TD -0.001 Tc 0 Tw (\(l\352-se: a )Tj ET 0.65 w 296.61 745.14 m 290.85 745.14 l S BT 13 0 0 13 290.85 746.44 Tm -0.01 Tc 0.009 Tw [(e b)-9(\))]TJ -14.751 -2.705 TD (\225)Tj /F11 1 Tf 1.08 0 TD -0.002 Tc (Disjun\347\365es)Tj /F9 1 Tf 4.597 0 TD 2.75 Tc [(:a)2752( )]TJ /F14 1 Tf 14.4 0 0 14.4 222.81 712.001 Tm BX /GS3 gs EX (\332)Tj /F11 1 Tf 18 0 0 18 233.25 711.28 Tm BX /GS2 gs EX ( )Tj /F9 1 Tf 13 0 0 13 237.69 711.28 Tm (b)Tj /F11 1 Tf 0.498 0 TD ( )Tj /F9 1 Tf 0.249 0 TD -0.001 Tc 0 Tw (\(l\352-se: a )Tj ET 305.01 709.98 m 292.05 709.98 l S BT 13 0 0 13 292.05 711.28 Tm -0.002 Tc 0.002 Tw (ou b\))Tj -14.843 -2.862 TD (\225)Tj /F11 1 Tf 1.08 0 TD (Condicionais)Tj /F9 1 Tf 5.548 0 TD 1.799 Tc [(:a)1801( )]TJ /F14 1 Tf 18 0 0 18 222.69 672.281 Tm BX /GS3 gs EX (\336)Tj /F11 1 Tf BX /GS2 gs EX 1.067 0.1 TD ( )Tj /F9 1 Tf 13 0 0 13 246.33 674.08 Tm (b)Tj /F11 1 Tf 0.498 0 TD ( )Tj /F9 1 Tf 0.249 0 TD -0.001 Tc (\(l\352-se: )Tj ET 302.49 672.78 m 291.69 672.78 l S BT 13 0 0 13 291.69 674.08 Tm 0 Tw (se a )Tj ET 342.81 672.78 m 314.73 672.78 l S BT 13 0 0 13 314.73 674.08 Tm 0.001 Tw (ent\343o b\))Tj -16.588 -2.862 TD (\225)Tj /F11 1 Tf 1.08 0 TD -0.002 Tc (Bicondicionais)Tj /F9 1 Tf 6.212 0 TD 1.134 Tc [(:a)1136( )]TJ /F14 1 Tf 18 0 0 18 223.05 635.081 Tm BX /GS3 gs EX (\333)Tj /F11 1 Tf BX /GS2 gs EX 1.133 0.1 TD ( )Tj /F9 1 Tf 13 0 0 13 248.01 636.88 Tm (b)Tj /F11 1 Tf 0.498 0 TD ( )Tj /F9 1 Tf 0.249 0 TD -0.001 Tc 0 Tw (\(l\352-se: a )Tj ET 373.65 635.58 m 302.37 635.58 l S BT 13 0 0 13 302.37 636.88 Tm (se somente se b\))Tj /F8 1 Tf -15.637 -2.557 TD 0.001 Tc (Exemplo:)Tj /F9 1 Tf 0 -2.4 TD -0.001 Tc (Seja a senten\347a:)Tj /F13 1 Tf T* (\223Se Cacilda \351 estudiosa ent\343o ela passar\341 no AFRF\224)Tj /F9 1 Tf T* -0.004 Tw (Sejam as proposi\347\365es:)Tj T* 0 Tw (p = )Tj /F13 1 Tf 1.56 0 TD (\223Cacilda \351 estudiosa\224)Tj /F9 1 Tf -1.56 -2.4 TD (q = )Tj /F13 1 Tf 1.56 0 TD (\223Ela passar\341 no AFRF\224)Tj /F9 1 Tf -1.56 -2.391 TD -0.001 Tw (Da\355, poderemos representar a senten\347a da seguinte forma:)Tj /F13 1 Tf 0 -2.538 TD [(Se p ent\343o q)-527(\()0( ou p )]TJ /F14 1 Tf 18 0 0 18 207.81 381.761 Tm BX /GS3 gs EX (\336)Tj /F13 1 Tf 13 0 0 13 227.01 383.56 Tm BX /GS2 gs EX 0 Tc -0.003 Tw (q \))Tj ET 0.75 w 107.97 316.66 m 99.09 316.66 l S BT /F11 1 Tf 15 0 0 15 99.09 318.16 Tm (T)Tj ET 236.85 316.66 m 107.85 316.66 l S BT 15 0 0 15 107.85 318.16 Tm -0.003 Tc (ABELA VERDADE)Tj /F9 1 Tf 13 0 0 13 99.09 283.72 Tm -0.001 Tc -0.063 Tw (Representaremos ent\343o o valor l\363gico de cada mol\351cula com seu respectivo conectivo.)Tj /F11 1 Tf 0 -3.6 TD 0 Tw [(a.)-343(V)103(alor verdade de )]TJ ET 0.122 0.102 0.09 RG 1 J 1 j 0.48 w BX /GS3 gs EX 212.49 237.16 m 212.49 243.52 l 212.73 244.24 l 213.45 244.24 l 213.93 243.76 l 214.17 243.28 l 214.41 242.08 l 214.41 238.36 l 214.65 237.64 l 215.13 237.4 l 215.85 237.4 l 216.33 238.84 l 216.33 244.48 l S BT 13 0 0 13 217.77 236.92 Tm BX /GS2 gs EX (P)Tj /F9 1 Tf -7.338 -1.634 TD (P)Tj ET BX /GS3 gs EX 144.45 215.92 m 144.45 222.28 l 144.69 223 l 145.41 223 l 145.89 222.52 l 146.13 222.04 l 146.49 220.84 l 146.49 217.12 l 146.73 216.4 l 147.21 216.16 l 147.93 216.16 l 148.41 217.6 l 148.41 223.24 l S BT 13 0 0 13 149.85 215.68 Tm BX /GS2 gs EX (P)Tj -2.197 -1.634 TD 1.216 Tc (VF)Tj 0.083 -1.634 TD 1.207 Tc (FV)Tj -0.702 -3.6 TD -0.001 Tc -0.033 Tw (A nega\347\343o da proposi\347\343o P \351 a proposi\347\343o )Tj ET 0.6 w BX /GS3 gs EX 334.29 126.28 m 334.29 133 l 334.65 133.84 l 335.61 133.84 l 335.85 133.48 l 336.21 133.24 l 336.57 132.76 l 336.93 131.56 l 336.93 127.6 l 337.17 126.88 l 337.89 126.52 l 338.85 126.52 l 339.09 127.36 l 339.45 128.08 l 339.45 134.08 l S BT 13 0 0 13 341.37 126.4 Tm BX /GS2 gs EX -0.034 Tw [(P)112(,)0( de maneira que se P \351 verdade ent\343o)]TJ ET BX /GS3 gs EX 115.17 110.8 m 115.17 117.64 l 115.53 118.36 l 116.49 118.36 l 116.73 118.12 l 117.09 117.88 l 117.45 117.4 l 117.81 116.08 l 117.81 112 l 118.05 111.28 l 118.77 111.04 l 119.73 111.04 l 119.97 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Tf 14.4 0 0 14.4 98.83 405.88 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.27 407.56 Tm BX /GS2 gs EX -0.004 Tw (Ele casa comigo)Tj /F11 1 Tf -3.258 -3.046 TD -0.002 Tw [(3.)-343(T)94(odos os brasileir)17(o s\343o humanos.)]TJ 1.089 -1.855 TD 0 Tw [(T)94(odos os paulistas s\343o brasileir)27(o.)]TJ /F14 1 Tf 14.16 0 0 14.16 98.83 318.04 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.27 319.72 Tm BX /GS2 gs EX -0.002 Tw [(T)65(odos os paulistas s\343o humanos)]TJ /F11 1 Tf -3.258 -3.055 TD -0.001 Tw [(4.)-343(Se o Palmeiras ganhar o jogo, todos os jogador)17(es r)27(eceber\343o o bicho.)]TJ 1.089 -1.855 TD 0 Tw [(Se o Palmeiras n\343o ganhar o jogo, todos os jogador)27(es r)17(eceber\343o o bicho .)]TJ /F14 1 Tf 14.4 0 0 14.4 98.83 230.08 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.27 231.76 Tm BX /GS2 gs EX [(T)65(odos os jogadores receber\343o o bicho)]TJ /F11 1 Tf -3.258 -3.046 TD -0.005 Tc [(NOT)69(A\307\303O)]TJ /F9 1 Tf 5.012 0 TD -0.001 Tc -0.004 Tw [(: No caso geral 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Copi.)]TJ /F11 1 Tf T* -0.002 Tc [(Pr)26(emissa:)]TJ /F9 1 Tf 5.437 0 TD -0.001 Tc 0 Tw [(T)65(odos os sais de s\363dio s\343o subst\342ncias soluveis em \341gua.)]TJ 0 -1.2 TD 0 Tc [(T)66(odos os sab\365es s\343o sais de s\363dio)]TJ /F11 1 Tf -5.437 -1.855 TD -0.002 Tc (Conclus\343o:)Tj /F14 1 Tf 14.4 0 0 14.4 155.35 72.64 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 183.91 74.44 Tm BX /GS2 gs EX -0.001 Tc -0.001 Tw [(T)75(odos os sab\365es s\343o subst\342ncias soluveis em \341gua.)]TJ ET 0.96 w 287.35 621.64 m 337.75 621.64 l 98.83 509.8 m 339.43 509.8 l 99.43 422.92 m 340.03 422.92 l 99.43 334.48 m 340.03 334.48 l 98.83 245.56 m 510.07 245.56 l 148.75 91.72 m 456.31 91.72 l S endstream endobj 36 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F14 15 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 38 0 obj << /Length3991 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 70.65 769.54 m 538.41 769.54 l S 0 0 0 rg 0.96 w 1000 M 511.18 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 520.77 38.44 Tm 0 0 0 0 k BX /GS3 gs EX (9)Tj ET 3 w 10 M BX /GS2 gs EX 71.25 55.78 m 539.01 55.78 l S BT /F8 1 Tf 24 0 0 24 169.41 780.4 Tm 0 0 0 rg BX /GS3 gs EX -0.001 Tc 0.015 Tw (Joselias@uol.com.br - R)Tj 18 0 0 18 411.09 780.4 Tm BX /GS2 gs EX (acioc\355nio )Tj 24 0 0 24 483.81 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 498.45 780.4 Tm BX /GS2 gs EX 0 Tc (\363gico)Tj ET 0.75 w 107.97 743.38 m 99.09 743.38 l S BT /F11 1 Tf 15 0 0 15 99.09 744.88 Tm (V)Tj ET 322.29 743.38 m 107.85 743.38 l S BT 15 0 0 15 107.85 744.88 Tm -0.002 Tc 0.001 Tw (ALIDADE DE UM ARGUMENT)Tj ET 333.93 743.38 m 322.29 743.38 l S BT 15 0 0 15 322.29 744.88 Tm (O)Tj /F9 1 Tf 13 0 0 13 99.09 712.84 Tm -0.001 Tc 0.051 Tw (Conforme citamos anteriormente uma proposi\347\343o \351 verdadeira ou falsa. 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Portanto, um ar)8(gumento \351 n\343o)]TJ T* -0.02 Tw (v\341lido se existir a possibilidade de suas premissas serem verdadeiras e sua conclus\343o falsa.)Tj ET endstream endobj 39 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F14 15 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 41 0 obj << /Length 3866 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 56.59 769.54 m 524.35 769.54 l S 0 0 0 rg 0.96 w 1000 M 56.78 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 62.47 38.44 Tm 0 0 0 0 k BX /GS3 gs EX 0.019 Tc (10)Tj ET 3 w 10 M BX /GS2 gs EX 56.47 55.78 m 524.11 55.78 l S BT /F8 1 Tf 24 0 0 24 56.59 780.4 Tm 0 0 0 rg BX /GS3 gs EX (R)Tj 18 0 0 18 72.55 780.4 Tm BX /GS2 gs EX -0.001 Tc (acioc\355nio )Tj 24 0 0 24 145.27 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 159.91 780.4 Tm BX /GS2 gs EX 0 Tc 0.019 Tw (\363gico - Joselias@uol.com.br - Prof.: Joselias)Tj /F9 1 Tf 13 0 0 13 84.91 746.44 Tm -0.001 Tc 0 Tw [(Observe que a validade do ar)17(gumento depende apenas da estrutura dos enunciados.)]TJ /F8 1 Tf 0 -2.4 TD 0.001 Tc (Exemplos:)Tj /F9 1 Tf 0 -1.846 TD -0.001 Tc -0.002 Tw [(T)75(odas as mulheres s\343o bonitas.)]TJ 0 -1.634 TD [(T)75(odas as princesas s\343o mulheres.)]TJ ET 0.96 w 84.91 658.24 m 277.39 658.24 l S BT /F14 1 Tf 14.4 0 0 14.4 84.67 637 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 112.99 638.68 Tm BX /GS2 gs EX 0 Tw [(T)75(odas as princesas s\343o bonitas.)]TJ -2.16 -3.702 TD 0.015 Tw (Observe que n\343o precisamos de nenhum conhecimento aprofundado sobre o assunto)Tj -2.178 -1.2 TD -0.043 Tw [(para concluir que o ar)27(gumento acima \351 v\341lido. V)110(amos substituir )]TJ /F13 1 Tf 25.228 0 TD -0.045 Tw [(mulher)36(es, bonitas e prince-)]TJ -25.228 -1.2 TD -0.002 Tc (sas)Tj /F9 1 Tf 1.274 0 TD -0.001 Tc -0.002 Tw ( por A, B e C respectivamente e teremos:)Tj 0.905 -1.855 TD 0 Tw [(T)75(odos os A s\343o B.)]TJ 0 -1.634 TD [(T)75(odos os C s\343o A.)]TJ ET 84.91 502.36 m 277.39 502.36 l S BT /F14 1 Tf 14.4 0 0 14.4 84.67 481.001 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 112.99 482.8 Tm BX /GS2 gs EX 0 Tc [(T)76(odos os C s\343o B.)]TJ /F8 1 Tf -2.16 -2.843 TD -0.001 Tc -0.044 Tw (Logo o que \351 importante \351 a forma do argumento e n\343o o conhecimento de A, B e C,)Tj -2.178 -1.2 TD -0.005 Tw (isto \351, este argumento \351 v\341lido para quaisquer A, B e C e portanto a validade \351 conseq\374-)Tj 0 -1.191 TD 0.009 Tw (\352ncia da forma do argumento.)Tj /F9 1 Tf 2.178 -2.4 TD -0.002 Tw (O atributo )Tj /F8 1 Tf 4.32 0 TD 0 Tc [(V)113(alidade)]TJ /F9 1 Tf 3.545 0 TD -0.001 Tc [( aplica-se apenas aos ar)17(gumentos dedutivos.)]TJ ET 0.75 w 173.47 317.98 m 84.91 317.98 l S BT /F11 1 Tf 15 0 0 15 84.91 319.48 Tm -0.003 Tc (ARGUMENT)Tj ET 265.99 317.98 m 173.47 317.98 l S BT 15 0 0 15 173.47 319.48 Tm 0.011 Tw (OS DEDUTIV)Tj ET 368.23 317.98 m 265.99 317.98 l S BT 15 0 0 15 265.99 319.48 Tm (OS E INDUTIV)Tj ET 388.03 317.98 m 368.11 317.98 l S BT 15 0 0 15 368.11 319.48 Tm -0.006 Tc (OS)Tj /F9 1 Tf 13 0 0 13 84.91 287.56 Tm -0.001 Tc -0.002 Tw [(Os ar)17(gumentos s\343o divididos em dois grupos:)]TJ /F11 1 Tf 0 -1.643 TD -0.002 Tc [(\225)-741(dedutivos)]TJ 0 -1.634 TD [(\225)-741(indutivos)]TJ /F9 1 Tf 0 -2.4 TD -0.001 Tc 0.039 Tw [(O ar)17(gumento ser\341 )]TJ /F11 1 Tf 7.44 0 TD -0.002 Tc (dedutivo)Tj /F9 1 Tf 3.711 0 TD -0.001 Tc 0.041 Tw [( quando suas premissas fornecerem prova conclusiva da)]TJ -13.329 -1.2 TD 0.047 Tw [(veracidade da conclus\343o, isto \351, o ar)17(gumento \351 dedutivo quando a conclus\343o \351 completa-)]TJ T* -0.005 Tw (mente derivada das premissas.)Tj /F8 1 Tf 2.178 -2.4 TD 0.001 Tc (Exemplo:)Tj /F9 1 Tf 0 -1.846 TD -0.001 Tc [(T)75(odo ser humano t\352m m\343e.)]TJ 0 -1.643 TD -0.004 Tw [(T)75(odos os homens s\343o humanos.)]TJ ET 0.96 w 84.91 94.36 m 277.39 94.36 l S BT /F14 1 Tf 14.4 0 0 14.4 84.67 73.12 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 112.99 74.8 Tm BX /GS2 gs EX -0.006Tw [(T)75(odos os homens t\352m m\343e.)]TJ ET endstream endobj 42 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F13 8 0 R /F14 15 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 44 0 obj << /Length 4306 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 70.65 769.54 m 538.41 769.54 l S 0 0 0 rg 0.96 w 1000 M 511.18 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 516.93 38.44 Tm 0 0 0 0 k BX /GS3 gs EX 0.019 Tc (11)Tj ET 3 w 10 M BX /GS2 gs EX 71.25 55.78 m 539.01 55.78 l S BT /F8 1 Tf 24 0 0 24 169.41 780.4 Tm 0 0 0 rg BX /GS3 gs EX -0.001 Tc 0.015 Tw (Joselias@uol.com.br - R)Tj 18 0 0 18 411.09 780.4 Tm BX /GS2 gs EX (acioc\355nio )Tj 24 0 0 24 483.81 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 498.45 780.4 Tm BX /GS2 gs EX 0 Tc (\363gico)Tj /F9 1 Tf 13 0 0 13 99.09 746.44 Tm -0.001 Tc -0.006 Tw [(O ar)17(gumento ser\341 )]TJ /F11 1 Tf 7.302 0 TD -0.002 Tc (indutivo)Tj /F9 1 Tf 3.545 0 TD -0.001 Tc [( quando suas premissas n\343o fornecerem o apoio completo)]TJ -13.034 -1.2 TD 0.004 Tw (para ratificar as conclus\365es.)Tj /F8 1 Tf 2.188 -2.4 TD 0.001 Tc (Exemplo:)Tj /F9 1 Tf 0 -1.634 TD -0.001 Tc -0.003 Tw (O Flamengo \351 um bom time de futebol.)Tj T* (O Palmeiras \351 um bom time de futebol.)Tj T* [(O V)119(asco \351 um bom time de futebol.)]TJ T* (O Cruzeiro \351 um bom time de futebol.)Tj ET 0.96 w 99.09 603.04 m 377.01 603.04 l S BT /F14 1 Tf 14.4 0 0 14.4 98.85 581.681 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.05 583.48 Tm BX /GS2 gs EX 0.001 Tw [(T)65(odos os times brasileiros de futebol s\343o bons.)]TJ -2.151 -2.834 TD 0.034 Tw [(Portanto nos ar)17(gumentos indutivos a conclus\343o possui informa\347\365es que ultrapassam)]TJ -2.188 -1.2 TD 0.013 Tw [(as fornecidas nas premissas. Sendo assim, n\343o se aplica, ent\343o, a defini\347\343o de ar)8(gumentos)]TJ T* -0.001 Tw [(v\341lidos ou n\343o v\341lidos para ar)17(gumentos indutivos.)]TJ ET 0.75 w 187.65 465.46 m 99.09 465.46 l S BT /F11 1 Tf 15 0 0 15 99.09 466.96 Tm -0.003 Tc (ARGUMENT)Tj ET 280.17 465.46 m 187.65 465.46 l S BT 15 0 0 15 187.65 466.96 Tm 0.015 Tw (OS DEDUTIV)Tj ET 372.21 465.46 m 280.17 465.46 l S BT 15 0 0 15 280.17 466.96 Tm (OS V\301LIDOS)Tj /F9 1 Tf 13 0 0 13 99.09 442.12 Tm -0.001 Tc 0.011 Tw [(V)66(imos ent\343o que a no\347\343o de ar)17(gumentos v\341lidos ou n\343o v\341lidos aplica-se apenas aos)]TJ -2.188 -1.2 TD 0 Tw [(ar)17(gumentos dedutivos, e tamb\351m que a validade depende apenas da forma do ar)17(gumento e)]TJ T* 0.032 Tw [(n\343o dos respectivos valores verdades das premissas. V)54(imos tamb\351m que n\343o podemos ter)]TJ T* 0.058 Tc 0.124 Tw [(um ar)12(gumento v\341lido com premissas verdadeiras e conclus\343o falsa. A seguir)]TJ T* -0.001 Tc -0.004 Tw [(exemplificaremos alguns ar)17(gumentos dedutivos v\341lidos importantes.)]TJ 2.188 -2.4 TD -0.048 Tw [(O primeiro ar)17(gumento dedutivo v\341lido que discutiremos chama-se )]TJ /F8 1 Tf 26.298 0 TD -0.05 Tw (\223afirma\347\343o do an-)Tj -28.486 -1.2 TD (tecedente\224)Tj /F9 1 Tf 4.32 0 TD -0.002 Tw ( , \(tamb\351m conhecido como )Tj /F8 1 Tf 11.354 0 TD -0.004 Tw (modus ponens)Tj /F13 1 Tf 5.898 0 TD (\).)Tj /F9 1 Tf -19.385 -1.855 TD -0.002 Tc -0.007 Tw (Ent\343o vejamos:)Tj T* -0.001 Tc 0.001 Tw (Se Jos\351 for reprovado no concurso, ent\343o ser\341 demitido do servi\347o.)Tj 0 -1.634 TD 0.003 Tw (Jos\351 foi reprovado no concurso.)Tj ET 0.96 w 99.09 251.8 m 452.13 251.8 l S BT /F14 1 Tf 14.4 0 0 14.4 98.85 230.44 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.05 232.24 Tm BX /GS2 gs EX -0.002 Tw (Jos\351 ser\341 demitido do servi\347o.)Tj -2.151 -2.289 TD -0.011 Tc -0.008 Tw [(Este ar)17(gumento \351 evidentemente v\341lido e sua forma pode ser escrita da seguinte forma:)]TJ 1.089 -1.855 TD 0 Tc 0 Tw [(Se p ent\343o q)9(.)]TJ 0 -1.2 TD (p)Tj ET 113.25 151.12 m 181.53 151.12 l S BT /F14 1 Tf 14.4 0 0 14.4 113.01 135.4 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 140.97 137.2 Tm BX /GS2 gs EX (q)Tj -3.222 -2.086 TD -0.003 Tc (ou)Tj /F17 1 Tf 12.96 0 0 12.96 129.09 111.881 Tm BX /GS3 gs EX 1.398 Tc (pq)Tj 0 -1.204 TD (p)Tj 1.139 -1.593 TD (q)Tj /F14 1 Tf 14.04 0 0 14.04 137.61 111.881 Tm (\336)Tj -0.769 -2.573 TD (\\)Tj ET BX /GS2 gs EX 122.49 89.56 m 166.89 89.56 l S 1000 M 100.98 190.27 91.14 -61.44 re 118.83 122.17 73.84 -52.89 re S endstream endobj 45 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F13 8 0 R /F14 15 0 R /F17 46 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 50 0 obj << /Length 7507 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 56.59 769.54 m 524.35 769.54 l S 0 0 0 rg 0.96 w 1000 M 56.78 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 62.47 38.44 Tm 0 0 0 0 k BX /GS3 gs EX 0.019 Tc (12)Tj ET 3 w 10 M BX /GS2 gs EX 56.47 55.78 m 524.11 55.78 l S BT /F8 1 Tf 24 0 0 24 56.59 780.4 Tm 0 0 0 rg BX /GS3 gs EX (R)Tj 18 0 0 18 72.55 780.4 Tm BX /GS2 gs EX -0.001 Tc (acioc\355nio )Tj 24 0 0 24 145.27 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 159.91 780.4 Tm BX /GS2 gs EX 0 Tc 0.019 Tw (\363gico - Joselias@uol.com.br - Prof.: Joselias)Tj /F9 1 Tf 13 0 0 13 84.91 746.44 Tm -0.001 Tc -0.032 Tw [(Outro ar)17(gumento dedutivo v\341lido \351 a )]TJ /F8 1 Tf 14.751 0 TD (\223nega\347\343o do conseq\374ente\224)Tj /F9 1 Tf 10.975 0 TD [( \(tamb\351m conhecido)]TJ -27.905 -1.2 TD -0.002 Tc (como )Tj /F8 1 Tf 2.465 0 TD -0.001 Tc 0.004 Tw (modus tollens)Tj /F13 1 Tf 5.686 0 TD (\).)Tj /F11 1 Tf -5.972 -2.4 TD -0.011 Tc (Obs.:)Tj /F9 1 Tf 3.258 0 TD -0.061 Tw [(V)64(imos nas p\341ginas anteriores que p)]TJ /F14 1 Tf 13.68 0 0 13.68 303.19 698.32 Tm BX /GS3 gs EX (\336)Tj /F9 1 Tf 13 0 0 13 318.79 699.64 Tm BX /GS2 gs EX (q \351 equivalente a )Tj ET 0.122 0.102 0.09 RG 1 J 1 j 0.36 w BX /GS3 gs EX 404.95 700.36 m 404.95 702.52 l 405.43 704.68 l 405.79 705.52 l 406.03 706.36 l 406.63 706.84 l 407.71 706.84 l 408.19 706.6 l 408.31 706.36 l 408.55 706.12 l 408.79 705.04 l 409.03 703.6 l 409.15 702.28 l 409.39 701.2 l 409.39 700.96 l 409.99 700.36 l 411.31 700.36 l 411.91 700.96 l 412.39 701.8 l 412.75 702.52 l 413.23 704.68 l 413.23 706.84 l S BT 13 0 0 13 414.31 699.64 Tm BX /GS2 gs EX -0.005 Tc (q )Tj /F14 1 Tf 13.68 0 0 13.68 424.39 698.32 Tm BX /GS3 gs EX (\336)Tj ET q 440.11 708.52 10.56 -9.72 re W n 441.31 700.36 m 441.31 702.52 l 441.79 704.68 l 442.15 705.52 l 442.39 706.36 l 442.99 706.84 l 444.07 706.84 l 444.43 706.6 l 444.91 706.12 l 445.03 705.04 l 445.27 703.6 l 445.51 702.28 l 445.75 701.2 l 445.75 700.96 l 445.87 700.72 l 446.35 700.36 l 447.55 700.36 l 448.15 700.96 l 448.63 701.8 l 448.99 702.52 l 449.47 704.68 l 449.47 706.84 l S Q BT /F9 1 Tf 13 0 0 13 450.55 699.64 Tm BX /GS2 gs EX -0.012 Tc -0.063 Tw (p. 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280.05 508.06 l S BT 15 0 0 15 280.05 509.56 Tm (OS N\303O V\301LIDOS)Tj /F9 1 Tf 13 0 0 13 99.09 477.52 Tm -0.001 Tc -0.007 Tw [(Os ar)17(gumentos dedutivos n\343o v\341lidos podem combinar verdade ou falsidade das pre-)]TJ -2.188 -1.2 TD -0.001 Tw (missas de qualquer maneira com a verdade ou falsidade da conclus\343o.)Tj 2.188 -2.4 TD 0.05 Tw [(Assim podemos ter)45(, por exemplo, ar)17(gumentos n\343o-v\341lidos com premissas e conclu-)]TJ -2.188 -1.2 TD -0.003 Tw (s\365es verdadeiras, por\351m as premissas n\343o sustentam a conclus\343o.)Tj /F8 1 Tf 2.188 -2.4 TD 0.001 Tc (Exemplo:)Tj /F9 1 Tf 0 -1.855 TD -0.001 Tc [(T)75(odos os mam\355feros s\343o mortais.)-1856(\( V \))]TJ 0 -1.634 TD -0.001 Tw [(T)75(odos os gatos s\343o mortais.)-3998(\( V \))]TJ ET 0.96 w 99.09 326.92 m 357.09 326.92 l S BT /F14 1 Tf 14.16 0 0 14.16 98.85 305.68 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.05 307.36 Tm BX /GS2 gs EX 0 Tw [(T)65(odos os gatos s\343o mam\355feros.)-564(\( V \))]TJ -2.151 -2.511 TD -0.003 Tw [(Este ar)17(gumento tem a forma:)]TJ 0 -1.634 TD 0 Tw [(T)75(odos os A s\343o B)]TJ 0 -1.422 TD [(T)75(odos os C s\343o B)]TJ ET 99.09 222.4 m 229.65 222.4 l S BT /F14 1 Tf 14.4 0 0 14.4 98.85 202 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.05 203.8 Tm BX /GS2 gs EX [(T)65(odos os C s\343o A)]TJ -2.151 -2.409 TD -0.021 Tc -0.007 Tw [(Podemos f\341cilmente mostrar que este ar)16(gumento \351 n\343o-v\341lido, pois as premissas n\343o sus-)]TJ -2.188 -0.978 TD 0.029 Tw (tentam a conclus\343o, e )Tj 8.52 0 TD -0.002 Tc [(veremos )]TJ 3.637 0 TD -0.021 Tc (ent\343o que podemos ter as premissas verdadeiras e a conclus\343o)Tj -12.157 -0.988 TD 0 Tw (falsa, nesta forma, bastando substituir A por mam\355fero, B por mortais e C por cobra.)Tj 2.188 -1.643 TD -0.001 Tc -0.002 Tw [(T)75(odos os mam\355feros s\343o mortais.)-1856(\( V \))]TJ 0 -1.412 TD 0 Tw [(T)75(odos os as cobras s\343o mortais.)-2429(\( V \))]TJ ET 99.09 94.6 m 357.09 94.6 l S BT /F14 1 Tf 14.4 0 0 14.4 98.85 74.201 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 127.05 75.88 Tm BX /GS2 gs EX [(T)65(odas as cobras s\343o mamiferas.)-241(\( F \))]TJ ET 1000 M 104.38 739.42 115.24 -93.99 re 121.63 636.07 149.89 -90.59 re S endstream endobj 54 0 obj << /ProcSet [/PDF /Text ] /Font << /F6 4 0 R /F8 5 0 R /F9 6 0 R /F11 7 0 R /F14 15 0 R >> /ExtGState << /GS2 9 0 R /GS3 10 0 R >> >> endobj 56 0 obj << /Length 4448 >> stream 0 0 0 RG 0 J 0 j 3 w 10 M []0 d BX /GS2 gs EX 1 i 56.59 769.54 m 524.35 769.54 l S 0 0 0 rg 0.96 w 1000 M 56.78 56.82 27.39 -27.39 re B* BT /F6 1 Tf 14 0 0 14 62.47 38.44 Tm 0 0 0 0 k BX /GS3 gs EX 0.019 Tc (14)Tj ET 3 w 10 M BX /GS2 gs EX 56.47 55.78 m 524.11 55.78 l S BT /F8 1 Tf 24 0 0 24 56.59 780.4 Tm 0 0 0 rg BX /GS3 gs EX (R)Tj 18 0 0 18 72.55 780.4 Tm BX /GS2 gs EX -0.001 Tc (acioc\355nio )Tj 24 0 0 24 145.27 780.4 Tm BX /GS3 gs EX (L)Tj 18 0 0 18 159.91 780.4 Tm BX /GS2 gs EX 0 Tc 0.019 Tw (\363gico - Joselias@uol.com.br - Prof.: Joselias)Tj /F9 1 Tf 13 0 0 13 84.91 746.44 Tm -0.031 Tc -0.007 Tw [(Com as premissas verdadeiras e a conclus\343o falsa nunca pode ocorrer que o ar)15(gumento seja)]TJ -2.178 -1.2 TD -0.003 Tw [(v\341lido, ent\343o este ar)24(gumento \351 n\343o-v\341lido, chamaremos os ar)15(gumentos n\343o-v\341lidos de )]TJ /F8 1 Tf 32.049 0 TD -0.03 Tc (fal\341cias)Tj /F9 1 Tf 2.982 0 TD (.)Tj -32.852 -2.4 TD -0.021 Tc -0.004 Tw (A seguir examinaremos algumas fal\341cias conhecidas que ocorrem com muita freq\374\352ncia.)Tj T* -0.001 Tc -0.056 Tw [(O primeiro caso de ar)17(gumento dedutivo n\343o-v\341lido que veremos \351 o que chamamos de)]TJ /F8 1 Tf -2.178 -1.2 TD 0.002 Tw (\223fal\341cia da afirma\347\343o do consequente\224)Tj /F9 1 Tf 16.135 0 TD (. Por exemplo:)Tj -13.957 -2.4 TD -0.004 Tw (Se ele me ama ent\343o ele casa comigo.)Tj 0 -1.634 TD (Ele casa comigo.)Tj ET 0.96 w 84.91 588.76 m 286.75 588.76 l S BT /F14 1 Tf 14.16 0 0 14.16 84.67 567.52 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 112.99 569.2 Tm BX /GS2 gs EX -0.002 Tc -0.007 Tw (Ele me ama.)Tj -2.16 -3.268 TD -0.001 Tc -0.006 Tw [(Podemos escrever este ar)17(gumento como:)]TJ 1.089 -2.068 TD 0 Tc 0 Tw (Se p ent\343o q)Tj 0 -2.077 TD (q)Tj ET 99.07 455.56 m 167.23 455.56 l S BT /F14 1 Tf 14.16 0 0 14.16 98.83 434.32 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 126.91 436 Tm BX /GS2 gs EX (p)Tj -3.231 -2.594 TD -0.003 Tc (ou)Tj /F17 1 Tf 12.96 0 0 12.96 128.95 404.801 Tm BX /GS3 gs EX 1.389 Tc (pq)Tj -0.037 -1.324 TD (q)Tj 1.204 -1.704 TD (p)Tj /F14 1 Tf 14.04 0 0 14.04 137.47 404.801 Tm (\336)Tj -0.769 -2.821 TD (\\)Tj /F9 1 Tf 13 0 0 13 84.91 323.08 Tm BX /GS2 gs EX -0.011 Tc -0.049 Tw [(Este ar)17(gumento \351 uma fal\341cia, podemos ter as premissas verdadeiras e a conclus\343o falsa.)]TJ 0 -2.4 TD -0.001 Tc 0.053 Tw (Outra fal\341cia que ocorre com freq\374\352ncia \351 a conhecida por )Tj /F8 1 Tf 24.12 0 TD (\223fal\341cia da nega\347\343o do)Tj -26.298 -1.2 TD (antecedente\224)Tj /F9 1 Tf 5.372 0 TD -0.002 Tc -0.007 Tw (. Exemplo:)Tj -3.194 -2.289 TD -0.001 Tc 0 Tw (Se Jo\343o parar de fumar ele engordar\341.)Tj 0 -1.634 TD 0.001 Tw [(Jo\343o n\343o parou de fumar)54(.)]TJ ET 84.91 213.64 m 286.75 213.64 l S BT /F14 1 Tf 14.4 0 0 14.4 84.67 192.281 Tm BX /GS3 gs EX (\\)Tj /F9 1 Tf 13 0 0 13 112.99 193.96 Tm BX /GS2 gs EX 0 Tw (Jo\343o n\343o engordar\341.)Tj -2.16 -2.834 TD -0.001 Tw (Observe que temos a forma:)Tj 1.089 -2.4 TD 0 Tc 0 Tw (Se p ent\343o q)Tj ET 0.122 0.102 0.09 RG 1 J 1 j 0.36 w BX /GS3 gs EX 100.27 105.4 m 100.27 107.56 l 100.75 109.72 l 101.11 110.56 l 101.35 111.4 l 101.95 111.88 l 103.03 111.88 l 103.51 111.64 l 103.63 111.4 l 103.87 111.04 l 104.11 109.96 l 104.35 108.64 l 104.47 107.32 l 104.71 106.12 l 104.71 105.88 l 104.95 105.64 l 105.31 105.4 l 106.63 105.4 l 107.23 105.88 l 107.71 106.72 l 108.07 107.56 l 108.55 109.72 l 108.55 111.88 l S BT 13 0 0 13 109.75 104.68 Tm BX /GS2 gs EX (p)Tj ET 0 0 0 RG 0 J 0 j 0.96 w 99.07 93.04 m 158.35 93.04 l S BT /F14 1 Tf 14.4 0 0 14.4 98.83 74.561 Tm BX /GS3 gs EX (\\)Tj ET 0.122 0.102 0.09 RG 1 J 1 j 0.36 w 128.11 76.84 m 128.11 79 l 128.59 81.16 l 128.95 82 l 129.19 82.84 l 129.79 83.32 l 130.87 83.32 l 131.23 83.08 l 131.71 82.6 l 131.83 81.52 l 132.07 80.08 l 132.31 78.76 l 132.55 77.68 l 132.55 77.44 l 132.67 77.2 l 133.15 76.84 l
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