#omission__skip  a mistake resulting from neglect
  supertype:  #mistake__error__fault  a wrong action attributable to bad judgment or ignorance or inattention; "he made a bad mistake"; "she was quick to point out my errors"; "I could understand his English in spite of his grammatical faults"
  subtype:  #failure.omission  an unexpected omission; "he resented my failure to return his call"
     subtype:  #dashing_hopes__dashinghope__disappointment  an act (or failure to act) that disappoints someone
     subtype:  #breach  a failure to perform some promised act or obligation
        subtype:  #breach_of_contract  a breach of a legal duty; failure to do something that is required in a contract
           subtype:  #anticipatory_breach__constructive_breach  a breach of contract committed prior to the time of required performance
           subtype:  #breach_of_the_covenant_of_warranty  a failure of the seller's guarantee of good title
           subtype:  #breach_of_promise  failure to keep a promise (of marriage)
           subtype:  #breach_of_trust  violation (either through fraud or negligence) by a trustee of a duty that equity requires of him
           subtype:  #breach_of_warranty  a breach that occurs when an item is deficient according to the terms of a warranty
           subtype:  #material_breach  a breach serious enough to destroy the value of the contract and to give a basis for an action for breach of contract
           subtype:  #partial_breach__partialbreach  a breach that does not destroy the value of the contract but can give rise to a claim for damages
        subtype:  #breach_of_duty  a breach of due care
     subtype:  #copout  a failure to face some difficulty squarely

No statement uses or specializes #omission; click here to add one.