Hooded man paradox
E368055
The Hooded man paradox is an ancient logical puzzle about knowledge and identity that questions whether recognizing someone in one context guarantees knowing them in another, often attributed to the philosopher Eubulides of Miletus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hooded man paradox canonical | 4 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
epistemic paradox
ⓘ
logical paradox ⓘ philosophical puzzle ⓘ thought experiment ⓘ |
| challengesPrinciple |
closure of knowledge under known equivalence
ⓘ
substitutivity of identicals in epistemic contexts ⓘ |
| hasAlternativeName |
Hooded man argument
ⓘ
Hooded man puzzle ⓘ Masked man paradox ⓘ |
| hasAuthor | Eubulides of Miletus ⓘ |
| hasEducationalUse |
illustrating problems with substitutivity in knowledge attributions
ⓘ
teaching intensional versus extensional contexts ⓘ |
| hasExampleScenario | a person knows their brother but does not know that the hooded man is their brother ⓘ |
| hasKeyQuestion |
whether identity statements can be substituted in knowledge contexts
ⓘ
whether recognizing someone in one context guarantees knowing them in another ⓘ |
| hasLogicalForm | argument about knowledge of persons under different descriptions ⓘ |
| hasMainTheme |
identity of indiscernibles
ⓘ
surface form:
Leibniz's law
cognitive significance ⓘ contextual knowledge ⓘ epistemic logic ⓘ identity ⓘ intensional contexts ⓘ knowledge ⓘ logical omniscience ⓘ philosophy of language ⓘ philosophy of mind ⓘ recognition ⓘ reference ⓘ self-knowledge ⓘ substitution of identicals ⓘ |
| hasOriginPlace |
Greek Antiquity
ⓘ
surface form:
Ancient Greece
|
| hasStatus | classic example in epistemic logic ⓘ |
| hasTimePeriod | 4th century BCE ⓘ |
| isAttributedTo | Eubulides of Miletus ⓘ |
| isDiscussedIn |
epistemology
ⓘ
logic ⓘ philosophy of language literature ⓘ |
| isPartOf |
Megarian school
ⓘ
surface form:
Megarian school tradition
|
| isRelatedTo |
Fregean semantics
ⓘ
surface form:
Frege's puzzle
Kripke semantics ⓘ
surface form:
Kripkean semantics
epistemic opacity ⓘ intensionality ⓘ knowledge ascription ⓘ liar paradox ⓘ Masked man paradox ⓘ
surface form:
masked man fallacy
modal logic ⓘ Sorites paradox ⓘ
surface form:
sorites paradox
substitution failure ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.