more from Gilbert Harman

Single Idea 19304

[catalogued under 2. Reason / A. Nature of Reason / 1. On Reason]

Full Idea

Rules of deduction are rules of deductive argument; they are not rules of inference or reasoning.

Gist of Idea

The rules of reasoning are not the rules of logic


Gilbert Harman (Change in View: Principles of Reasoning [1986], 1)

Book Reference

Harman,Gilbert: 'Change in View: Principles of Reasoning' [MIP 1986], p.5

A Reaction

And I have often noticed that good philosophing reasoners and good logicians are frequently not the same people.

Related Idea

Idea 3094 You don't have to accept the conclusion of a valid argument [Harman]