RELATED LINKS

Notes related to this page:

	Properties [of example symbolic system]
	Implementation [of symbolic systems]
	Symbolic expressions
	Representations [for symbolic expressions]
	[Enumerating] possible expressions
	Other [symbolic systems] rules
	Long halting times [in symbolic systems]
	Trees [representation for symbolic systems]
	Order dependence [in symbolic systems]
	History [of symbolic systems]
	Operator systems
	Network analogs [of symbolic systems]
	Close approaches [to core discoveries]
	Nested lists
	Combinators
	Combinator properties