Argument from ignorance
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Argument from ignorance, or appeal to ignorance, is an informal fallacy where something is claimed to be true or false because of a lack of evidence to the contrary.
John Locke (1632–1704), the likely originator of the term
Evidence of absence
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Evidence of absence is evidence of any kind that suggests something is missing or that it does not exist. What counts as evidence of absence has been a subject of debate between scientists and philoso
Argument from ignorance
…as the original one and that the first implies the second and the second implies the first. Null result is a term often used in science to indicate evidence of absence. A search for water on the ground may yield a null result (the ground is dry); therefore, it probably did not rain. Arguments from self-knowing take…
An exhaustive inspection of the attic for vermin can provide evidence of absence, but any sign of mice will always suffice to the contrary.