Frontispiece
The Six Axes
of Thought
Twelve moves, paired
Divide
Break It Down
I
Compose
Build from Smaller Results
Sequence
Step-by-Step Thinking
II
Reverse
Work Backwards
Reduce
Simplify and Reduce
III
Transform
Reframe the Problem
Optimize
Pick the Best
IV
Filter
Eliminate Wrong Options
Match
Recognize the Pattern
V
Evaluate
Compare and Contrast
Iterate
Try, Check, Improve
VI
Expand
Explore Multiple Paths