Difference between revisions of "Exercícios de semântica formal para a Lógica Proposicional Clássica"
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m Tag: 2017 source edit |
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=== <math>\neg (r \leftrightarrow p) </math> ▶ <math>q \to \neg p</math> === | === <math>\neg (r \leftrightarrow p) </math> ▶ <math>q \to \neg p</math> === | ||
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=== <math> (p \land q) \to r </math> ▶ <math>q \to \neg p</math> === | === <math> (p \land q) \to r </math> ▶ <math>q \to \neg p</math> === | ||
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=== <math> \neg (r \leftrightarrow p), (p \land q) \to r </math> ▷ <math>q \to \neg p</math> === | === <math> \neg (r \leftrightarrow p), (p \land q) \to r </math> ▷ <math>q \to \neg p</math> === | ||
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== Correção de regras == | == Correção de regras == | ||
=== <math> (\to \mathrm{E}) \, \Gamma_1 \vdash \varphi \to \psi; \Gamma_2 \vdash \varphi \, / \, \Gamma_1,\Gamma_2 \vdash \psi </math> === | === <math> (\to \mathrm{E}) \, \Gamma_1 \vdash \varphi \to \psi; \Gamma_2 \vdash \varphi \, / \, \Gamma_1,\Gamma_2 \vdash \psi </math> === | ||
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=== <math> (\to \mathrm{I}) \, \Gamma, \varphi \vdash \psi \, / \, \Gamma \vdash \varphi\to\psi </math> === | === <math> (\to \mathrm{I}) \, \Gamma, \varphi \vdash \psi \, / \, \Gamma \vdash \varphi\to\psi </math> === | ||
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== Para reflexão == | == Para reflexão == | ||
