• Omission (Catholicism), a Catholic sin
• Omission (criminal law)
• Omission bias
  Omission bias
  The omission bias is an alleged type of cognitive bias. It is the tendency to judge harmful actions as worse, or less moral than equally harmful omissions . It is contentious as to whether this represents a systematic error in thinking, or is supported by a substantive moral theory...
  
  
• Purposeful omission
  Purposeful Omission
  Purposeful omission is the leaving out of particular nonessential details that can be assumed by the reader, , according to the context and attitudes/gestures made by the characters in the stories. It allows for the reader to make their own abstract representation of the situation at hand...
  
  , a literary method

See also

• Lie
  Lie
  For other uses, see Lie A lie is a type of deception in the form of an untruthful statement, especially with the intention to deceive others....
  
  
• Mathematical proof
  Mathematical proof
  In mathematics, a proof is a convincing demonstration that some mathematical statement is necessarily true. Proofs are obtained from deductive reasoning, rather than from inductive or empirical arguments. That is, a proof must demonstrate that a statement is true in all cases, without a single...
  
  
• Logical proof
• Argument
  Argument
  In philosophy and logic, an argument is an attempt to persuade someone of something, or give evidence or reasons for accepting a particular conclusion.Argument may also refer to:-Mathematics and computer science:...
  
  
• Professional negligence
  Professional negligence
  In the English law of tort, professional negligence is a subset of the general rules on negligence to cover the situation in which the defendant has represented him or herself as having more than average skills and abilities. The usual rules rely on establishing that a duty of care is owed by the...
  
  
• Contract law
• Insurance contracts