FROM ARITHMETIC TO ALGEBRA
THE MAKING OF ALGEBRAS
SIMULTANEOUS PROBLEMS
PARTIAL SOLUTIONS AND THE PROVISIONAL ELIMINATION OF ELEMENTS OF COMPLEXITY
MATHEMATICAL CERTAINTY AND REDUCTIO AD ABSURDUM
THE FIRST HEBREW ALGEBRA
HOW TO CHOOSE OUR HYPOTHESES
THE LIMITS OF THE TEACHER'S FUNCTION
THE USE OF SEWING CARDS
THE STORY OF A WORKING HYPOTHESIS
MACBETH'S MISTAKE
JACOB'S LADDER
THE GREAT X OF THE WORLD
GO OUT OF MY CLASS-ROOM
√-1
INFINITY
FROM BONDAGE TO FREEDOM
APPENDIX
