Which of the Following Elements Must Be Present in Order

Multiple Choice

Which of the following elements must be present in order to establish common mistake? Please select all that apply.

A) There must be a common assumption as to the existence of a state of affairs which is mistaken
B) Neither party has guaranteed that the state of affairs which forms the subject of the contract exists
C) Fault on the part of both parties
D) The common mistake must be of fundamental importance