English Propositional calculus Cited by user Thiagovscoelho on 01 May 2024 The propositional calculus is a branch of logic. It is also called propositional logic, statement logic, sentential calculus, sentential logic, or sometimes zeroth-order…
English Natural deduction Cited by user Thiagovscoelho on 01 May 2024 In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the "natural" way…