contradict

1. is a type of: depart, deviate, diverge, vary - be at variance with; be out of line with
   same as: belie, negate
2. is a type of: differ, disagree, dissent, take issue - be of different opinions
   subtypes: deny - declare untrue; contradict
   same as: contravene, negate
3. is a type of: rebut, refute - overthrow by argument, evidence, or proof
   subtypes:

   • blackball, negative, veto - vote against; refuse to endorse; refuse to assent
   • dissent, protest, resist - express opposition through action or words
   same as: controvert, oppose
4. referred to in: logic, logical system, system of logic - a system of reasoning
   is a type of: demonstrate, establish, prove, shew, show - establish the validity of something, as by an example, explanation or experiment
   subtypes:

   • invalidate, nullify - show to be invalid
   • confute, disprove - prove to be false
   same as: negate

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