2019:resolucao_da_questao_11_do_poscomp_2019
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2019:resolucao_da_questao_11_do_poscomp_2019 [2019/09/26 15:19] – [Raciocínio] adolfont | 2019:resolucao_da_questao_11_do_poscomp_2019 [2020/11/19 11:42] (current) – external edit 127.0.0.1 | ||
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Line 48: | Line 48: | ||
- (p1 ∨ p2) → p3 [premissa] | - (p1 ∨ p2) → p3 [premissa] | ||
- | - ¬p3 (premissa) | + | - ¬p3 [premissa] |
- | - p4 → (p1 ∧ p5) (premissa) | + | - p4 → (p1 ∧ p5) [premissa] |
- | - p5 (premissa) | + | - p5 [premissa] |
- | - ¬(p1 ∨ p2) (1 e 2) | + | - ¬(p1 ∨ p2) [1 e 2, modus tollens] |
- | - (¬p1 ∧ ¬p2) (5) | + | - (¬p1 ∧ ¬p2) [5, De Morgan] |
- | - ¬p1 (6) | + | - ¬p1 [6, eliminação do ∧] |
- | - ¬p2 (6) | + | - ¬p2 [6, eliminação do ∧] |
+ | - ¬(p1 ∧ p5) [7,?] | ||
+ | - ¬p4 [3 e 9, modus tollens] | ||
+ | - ¬p4 ∧ ¬p2 [10 e 8, introdução do ∧] | ||
+ | |||
+ | Resposta correta: C. |
2019/resolucao_da_questao_11_do_poscomp_2019.1569511181.txt.gz · Last modified: 2020/11/19 11:42 (external edit)