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Exercícios de Dedução Natural (view source)

444 bytes added , 11:55, 14 September 2020

#<math>\alpha \land \beta, \gamma \land \delta \vdash \gamma \land \beta</math><!--

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#<math>\alpha \to (\beta \to \gamma) \vdash \beta \to (\alpha \to \gamma)</math><!--

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#<math>\vdash \alpha \to (\beta \to \alpha)</math><!--

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#<math>\vdash \alpha \to \alpha</math><!--

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#<math>\alpha \to \beta \vdash \alpha \to (\alpha \to \beta)</math><!--

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#<math>\alpha \to (\alpha \to \beta) \vdash \alpha \to \beta</math><!--

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#<math>\gamma \to \alpha, \gamma \to \beta \vdash \gamma \to (\alpha \land \beta)</math><!--

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==Dedução Natural para a Lógica Proposicional Clássica==

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