On 5/26/19 6:45 PM, Linas Vepstas wrote:
* SatisfyingSetLink: wiki states that
EvaluationLink
PredicateNode "breathe"
ListLink
ConceptNode "animals"
ConceptNode "air"
is equivalent to this:
MemberLink
ListLink
ConceptNode "animals"
ConceptNode "air"
SatisfyingSetLink
PredicateNode "breathe"
Yes. However, there is no automatic conversion between the two.
There are PLN rules for that, like this (although this one is a bit
convoluted)
https://github.com/opencog/opencog/blob/master/opencog/pln/rules/wip/evaluation-to-member.scm
but yes no automatic way, to do that you need to explicitly run the
rule engine with the appropriate rule base, see
https://wiki.opencog.org/w/Unified_rule_engine
for more details.
Nil
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