Classifying Non-Causal Relators

The Classification of Non- Causal Relationships

_ Not, Opposite [x is not x]

+ And, Plus, With, Accompanying Y+X means Y and X [x is without or minus]

* Multiplied by [* is divided by]

" To the exponent

= Equivalent to; equals

% Derivative of [% is integral] [can identify second or third by combining with number; also partial etc.]

? Or X?Y means X or Y

– Of Y – X means X of Y (e.g. history of computers)

/ By or From Y / X means Y by or from X (bibliographies by government agencies)31 [Perhaps the similar ‘With respect to’ requires distinct notation?] [‘By’ is

a passive form of influence/causation. If more active influence is involved, the notation for influence (see Causation/Influence) should be pursued.]

\ For Y \ X means Y for X (books for children) [See Classifying 'For']

( ) Of type Y (X) means Y of type X [T9 (T4d) is map library] [It is still useful to indicate ‘of type’ notationally so that compounds such as ‘map library’ can be

expressed without requiring that every type of library be indicated in the schedules.]

{ } Part of [Note that ‘necessary part of’ and ‘distinct part of’ can be captured through compounding with the qualifiers ‘necessary’ and ‘distinct.’]

> In Y > X means Y in X (usually applied to location and/or time period, but could also capture e.g. ‘corruption in politics’) [Note that the distinct ‘contained

in’ is captured under the classification of directions N3i] [Can also use for ‘composed of’ and inverse ‘derivative of’?]

! About (as in ‘talk about danger,’ ‘talk about others’)

~ Compared to Y~ X means Y compared to X [EO↑ ~ TF5a means economic progress (growth compared to ethics)] [→~ means ‘Becomes similar to’]

^ Associated with, Accompanies, Connected to, or Attached to versus Separated from or Divided. [Apportion is divide in distinct parts.]

: From the perspective of Y:X means Y from the perspective of X [Perrault’s ‘positive,’ ‘indifferent,’ and ‘negative’ senses can be captured by linking to

properties; See Perrault, J. (1994) Categories and relators: A new schema. Knowledge Organization 21:4, 189-98.]

# Of amount, Of degree, As proportion of

∑ Collection of [Forest is thus ‘collection of trees.’ The argument here is that forests are defined in terms of trees rather than the reverse.]

[See Classifying Partitive Relators]

Note that various directional comparators can be found under N3, Direction.