: Volume II shifts to the "logic of plausibility," exploring what makes a guess more or less believable based on new evidence. Quotes on the "Practical Art" of Reasoning An introduction to mechanized reasoning - ScienceDirect
The first volume of the set focuses on two primary tools for discovery: and Analogy .
: This involves looking at a similar, simpler problem to gain insight into a complex one. If you can't solve a problem in 3D, try solving its 2D version first.
might lead one to guess that every even number is the sum of two primes (Goldbach's conjecture).
