static L<TripleWeb> ai_triples(Symbol a, Symbol b, Symbol c) {
  ret ai_filterTriples(a, b, c, ai_thoughtSpace_queryTriples(a, b, c, thoughtSpace()));
}

static L<TripleWeb> ai_triples(Symbol a, Symbol b, Symbol c, AbstractThoughtSpace ts) {
  ret ai_filterTriples(a, b, c, ai_thoughtSpace_queryTriples(a, b, c, ts));
}