What is natural deduction?
Q: What is natural deduction?
A: Natural deduction is a branch of mathematical logic that aims to express inference rules closely related to the "natural" way of reasoning.
Q: When and where was natural deduction developed?
A: Natural deduction was developed in Poland in the 1920s and 30s.
Q: Who first attempted to define a more natural deduction?
A: Jaśkowski made the earliest attempts at defining a more natural deduction.
Q: What spurned the development of a more natural treatment of logic?
A: A series of seminars in Poland in 1926 by Łukasiewicz advocating a more natural treatment of logic spurred the development.
Q: Did Jaśkowski suggest using diagrammatic notation for natural deduction?
A: Yes, Jaśkowski first suggested using diagrammatic notation in 1929.
Q: When did Jaśkowski update his proposal for diagrammatic notation?
A: Jaśkowski updated his proposal in papers in 1934 and 1935.
Q: What is the goal of natural deduction?
A: The goal of natural deduction is to express inference rules that closely mimic the way humans naturally reason.
