Perception torn from thinking.
Perception as cognition.
Subtracting the context.
Relations depend on structure.
Forces acting on memory.
What are mental images like?
Abstract gestures.
The functions of images.
A harmful dichotomy.
Types and containers.
Abstraction as withdrawal.
Numbers reflect life.
Can one think in words?
Thinking in children's drawings.
Cosmological shapes.
What is art for?