6. A computer program product for providing contextual feedback of rules proximity based on co-occurrence history, the computer program product comprising: a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising: computer readable program code for selecting a rule for editing in a rules editor executing in memory of a computer; computer readable program code for identifying different rules also having been applied to an input in common with the selected rule; and, computer readable program code for displaying the identified different rules in the rules editor in connection with the selected rule.
9. The computer program product of claim 6 , wherein the computer readable program code for identifying different rules also having been applied to an input in common with the selected rule, comprises computer readable program code for identifying in a rule correlation table different rules having respective normalized values derived from corresponding respective counts of common inputs for the selected rule that exceeds a threshold value.