and-rule/r2l
second rule /and-rule
example /and-rule
Implemented a function to extract all variable nodes from a given instance link according to its pattern link.
Only extend patterns with shared variable nodes.
change TOdo-rule4 to HIGHER-ORDER form
correct indentation
minor correction
lower-order representation to-do-rule 4
lower order to-do-rule-5
remove dead code
Remove some dead code from atomspace
Merge pull request #866 from rodsol/todo

Lower order representation of to-do-rule-5
Remove dead code from atomspace
Add debug messages for atom stimulus, rent and wages
Temporarily set LTI rent default parameter to 0 to avoid negative values
Merge pull request #870 from cosmoharrigan/ecan

Attention allocation updates
Added logic that the children pattern should carry its parent's shared nodes too.
Merge pull request #817 from rodsol/conjunction

Conjunction rule-functions
Add a TODO note for a future fix.