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$24.88
$24.88
A soft and lightweight tee featuring the formal symbolism for the law of excluded middle in propositional logic. The formula reads as "P or not-P". It is a foundational axiom in classical logic th...
$31.50
$31.50
The philosopher Ludwig Wittgenstein (1889-1951) was known for a stark division in his work, between an early and a late period that are sometimes treated as the works of two separate philosophers. ...
$29.00
$29.00
Inspired by Albert Camus' 1942 essay 'The Myth of Sisyphus', this poster advertises a 'Fight Night' match for, as Camus there puts it, "this confrontation between the human need and the unreasonabl...
$42.00
$42.00
This design uses the universal quantifier symbol (∀) and employs a pride heart design with the ubiquitous rainbow Pride Flag as a predicate symbol meaning "I love" or "is loved". We covered these s...
$24.88
$24.88
If the solution to a problem can be verified quickly, does this mean it can be solved quickly as well? This is the core question that defines the P versus NP problem in computer science. The clas...
$24.88
$24.88
If the solution to a problem can be verified quickly, does this mean it can be solved quickly as well? This is the core question that defines the P versus NP problem in computer science. The clas...
$32.88
$32.88
This design uses the universal quantifier symbol (∀) and employs a pride heart design with the ubiquitous rainbow Pride Flag as a predicate symbol meaning "I love" or "is loved". It's a particular...
$39.88
$39.88
This design uses the universal quantifier symbol (∀) and employs a pride heart design with the ubiquitous rainbow Pride Flag as a predicate symbol meaning "I love" or "is loved". We print this rain...
$19.48
$19.48
This cap plays on symbolic logic, using the universal quantifier symbol and with a heart as a predicate symbol, saying "for every x, x is loved", or, "love everyone". The hat is a classic trucker c...