The action of g on this triple can be conveniently encoded by an arrow diagram as in Figure 2.

This would mean that the arrow diagram for the triple [a.sup.(0).sub.k], [x.sub.1], [a.sup.(0).sub.l] has an odd number (one) of crossings, which is not possible.

A box and arrow diagram visually depicts the concepts and relationships presented within a theory development effort.

The box and arrow diagrams we advocated for above offer a good basis to determine whether a theory development effort delivers a new element.

For the study, an arrow diagram was used as a mnemonic device while teaching the chain rule in the course.

is obtained by using the arrow diagram of the partial derivative function.

Lifting axiom: Given a solid

arrow diagram in A, where i is a cofibrations and p is a fibration and where either i or p is a weak equivalence, then the dotted arrow exists.

The new diagramming section is for use with ConceptDraw PRO (v9.5 or later), the diagramming additions comes complete with everything you need to easily produce block diagrams, bubble diagrams, circle-spoke diagrams, circular

arrow diagrams, concept maps, flowcharts, and Venn Diagrams.

1 [right arrow] 3 7 Functions or mappings have various [right arrow] 4 representations which can be diagrams [right arrow] 5 such as

arrow diagrams, mapping diagrams, graphs.

The second activity sheet asked the students to determine if the relations given by three

arrow diagrams were reflexive, symmetric, or transitive as in the next diagram.

In the time management chapter, the authors cover simple activity on

arrow diagrams, node diagrams and their evolution, and the advent of computers--which have provided more complex scheduling tools.

Herbert Simon, writing in 1954 without citing Wright, but also using

arrow diagrams to illustrate causal relationships, emphasized that causal inferences drawn from correlations require "a priori assumptions that certain variables are not directly dependent on certain others" [6].