2. The method of claim 1 , wherein the legality expression language further includes an intent element specifying an intention that a principal wants to perform an act.
2. The method of claim 1 , wherein the legality expression language further includes an intent element specifying an intention that a principal wants to perform an act. 10. The method of claim 2 , comprising: specifying at least one signer of a contract specified using said legality expression with a signer element associated with said legality expression.