Legal Principle: Where both parties to an agreement are under a mistake as to matter of fact essential to the agreement, the agreement is void.Factual Situation: A man and a woman made a separation deed under which the man agreed to pay a weekly allowance to the woman under a mistaken assumption that they were lawfully married.Issue: Is it a valid contract and enforceable in the court of law? Decision:

Questions provided here are based on Civil Law. Read the Legal Principle carefully, understand the factual situation and then attempt the question by choosing the appropriate decision.