Polynym Math

set comparison between two polynyms

Pdesign methods ⊥ PVisual Perception


Equality

$$A \neq B$$
A is not equal to B

Subset

$$A \not\subseteq B$$
A is not a subset of or equal to B

Superset

$$A \not\supseteq B$$
A is not a superset of or equal to B

Intersection

$$A \cap B =$$
{ }

Union

$$A \cup B =$$
{ Christopher Alexander and J., interpret, love, organize, select }

Symmetric Difference

$$A \ominus B =$$
{ Christopher Alexander and J., interpret, love, organize, select }

Difference

$$A - B =$$
{ Christopher Alexander and J., love }

Difference

$$B - A =$$
{ interpret, organize, select }

Cartesian Product

$$A \times B =$$
{ (Christopher Alexander and J., interpret),
(Christopher Alexander and J., organize),
(Christopher Alexander and J., select),
(love, interpret),
(love, organize),
(love, select) }

design methods

Mode
type
Depth
2
User
scotty


vs.

Visual Perception

Source
James Gibson
Area
Psychology
Mode
step
Depth
3
User
dane
2 types of design methods

3 steps of Visual Perception
love
Christopher Alexander and J.

select
organize
interpret
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