Deduction and induction

Depths of understanding

1. 1

   Foundation

   You can tell deduction (must) from induction (probably), know that even strong induction can be wrong, and judge which of two inductions is stronger.

   • Watch · 34 sThe black swan

   • Read itEvery Swan I Have SeenLogic Level 1: Good Reasons
   • Read itSure or Only Likely?Logic Level 1: Good Reasons

   Opens after

   ValidityDeduction is reasoning that aims to be valid; induction is what reasoning looks like when it can't be.
2. 2

   Deeper

   You can judge how strong an argument from "most" is, see that two "most" reasons don't chain, and spot a fact left out that changes the picture.

   • Watch · 34 sMost and most

   • Read itMost and Nearly AllLogic Level 2: The Shape of an Argument

   Master depth 1 first

   All, some and none"Most" sits between "some" and "all", and behaves differently from both.

Your path here

What's still between you and Deduction and induction, depth 1, in the order you can learn it.

1. 1ClaimDepth 1 · Foundation · Logic
2. 2ArgumentDepth 1 · Foundation · Logic
3. 3ValidityDepth 1 · Foundation · Logic
4. 4Deduction and inductionDepth 1 · Foundation · Logic