Rule¶
Rule[a, b] creates an immediate replacement rule (a -> b).
RuleDelayed[a, b] creates a delayed rule (a :> b) whose right-hand
side is re-evaluated every time the rule fires.
Rule¶Rule[a, b] creates an immediate replacement rule (a -> b).
RuleDelayed[a, b] creates a delayed rule (a :> b) whose right-hand
side is re-evaluated every time the rule fires.