Relation
ION
Arity
:
2
Domain
:
Chemical-element
Range
:
Element-ion-or-isotope
Axioms:
(
=
(
Inverse
Ion-Of
)
Ion
) (<=> (
Ion
?A ?B) (And (
Chemical-Element
?A) (
Element-Ion-Or-Isotope
?B)))
Defined in theory:
Substances
Source code:
Substances.lisp