111
edits
Changes
Exercícios de semântica formal para a Lógica Proposicional Clássica (view source)
Revision as of 17:07, 25 September 2020
, 17:07, 25 September 2020→\Gamma_1 \vdash \varphi \to \psi; \Gamma_2 \vdash \varphi / \Gamma_1,\Gamma_2 \vdash \psi
== Correção de regras ==
=== <math> (\to E) \Gamma_1 \vdash \varphi \to \psi; \Gamma_2 \vdash \varphi \quad / \quad \Gamma_1,\Gamma_2 \vdash \psi </math> ===<!---->{{#ev:youtube|bIxOFR0elFo|||||start=220}} === <math> (\to I) \Gamma_1, \varphi \vdash \psi \quad / \quad \Gamma \vdash \varphi\to\psi </math> ===<!---->{{#ev:youtube|bIxOFR0elFo|||||start=348}}
== Para reflexão ==