jill/src/main/java/io/github/agentsoz/jill/lang/Agent.java
public void addBelief(String beliefsetName, Object... tuple) throws BeliefBaseException {
    beliefbase.addBelief(getId(), beliefsetName, tuple);
  }
public void addBelief(String beliefsetName, Object... tuple) throws BeliefBaseException {
    beliefbase.addBelief(getId(), beliefsetName, tuple);
  }
Adds a new belief to the specified belief set.

@param beliefsetName the belief set to add the belief to; must have been created previously
using {@link #createBeliefSet(String, BeliefSetField[])}
@param tuple parameter list of field values; types must match the specification in
{@link #createBeliefSet(String, BeliefSetField[])}
@throws io.github.agentsoz.jill.core.beliefbase.BeliefBaseException exception
(see {@link io.github.agentsoz.jill.core.beliefbase.BeliefBaseException})