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Exercícios de semântica formal para a Lógica de Primeira Ordem Clássica (view source)
Revision as of 12:16, 6 October 2020
, 12:16, 6 October 2020no edit summary
== Validade global de sequentes ==
=== <math> \exists x \forall y. \varphi </math> ▷ <math> \forall y \exists x. \varphi </math> ===
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=== <math> \forall y \exists x. \varphi </math> ▶ <math> \exists x \forall y. \varphi </math> ===
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