Early Stirrings (1)
Perception torn from thinking
The Intelligence of Perception (13)
Subtraction of Contract
Two and Two Together (54)
Relations Depend on Structure
The Past in Present (80)
Forces Acting on Memory
The Images of Thought (97)
What are Mental Images like?
Concepts Take Shape (116)
Abstract Gestures
Pictures, Symbols, and Signs (135)
The Function of Images
What Abstraction Is Not (153)
A Harmful Dichotomy
What Abstraction Is (153)
Types and Containers
With Feet on the Ground (188)
Abstraction as Withdrawl
Thinking with Pure Shapes (208)
Numbers Reflect Life
Words in Their Place (226)
Can One Think in Words?
Art and Thought (254)
Thinking in Children's Drawings
Models for Theory (274)
Cosmological Shapes
Vision in Education (294)
What is Art For?