|Evidence: proof of the existence and the behavior of objects or of the truth of statements. Evidence can be direct or indirect. See also theories, facts.|
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Def "normal evidence" / Loar: only non-verbal behavior - not sufficient for attribution of beliefs about Martians - but we have more. - Solution: knowledge of the internal organization of the Martians - which claims a deep epistemic asymmetry - normal level of evidence: superficial epistemic symmetry: strong dependence on belief and meaning.
Mind and Meaning Cambridge 1981