Practical Foundations of Mathematics
Paul Taylor
V. Limits and Colimits
V. Limits and Colimits
Practical Foundations of Mathematics Paul Taylor Cambridge University Press
Introduction
I
II
III
IV
V
VI
VII
VIII
IX
Bibliography Index
INTRODUCTION
5.1 PULLBACKS AND EQUALISERS
5.2 SUBOBJECTS
5.3 PARTIAL AND CONDITIONAL PROGRAMS
5.4 COPRODUCTS AND PUSHOUTS
5.5 EXTENSIVE CATEGORIES
5.6 KERNELS, QUOTIENTS AND COEQUALISERS
5.7 FACTORISATION SYSTEMS
5.8 REGULAR CATEGORIES
EXERCISES V