When parties attach different meanings to a term and only one knows of the other's meaning, whose meaning controls?
QUESTION
What must a party show to avoid a contract for its own unilateral mistake?
QUESTION
When may a contractor avoid a bid based on a clerical computation error?
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ANSWER
When the error is material and the recipient knew or should have known of it, before substantial reliance. An obvious error cannot be snapped up by a recipient who had reason to know it was a mistake.