Volume 29 (1988) no. 3

Table of contents

A farewell to Evelyn Nelson
p. 171-174
Essentially equational categories
p. 175-192
Frames in Priestley's duality
p. 193-202
Orthogonal and prereflective subcategories
p. 203-215
Simultaneous representations by metric spaces
p. 217-239
Some combinatorial calculus on Lie derivative
p. 241-247