If 'Return the completed card with your check by October 15 to receive an invitation to a special artist dinner on November 8.' is true, does it logically mean that 'An invitation to a great dinner will be sent if you return the completed card.' also is?
Return the completed card with your check by October 15 to receive an invitation to a special artist dinner on November 8.###An invitation to a great dinner will be sent if you return the completed card.