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...
A soft and lightweight tee featuring the formal symbolism for the law of non-contradiction in propositional logic. The formula reads as "not both P and not-P". It is a foundational axiom in classi...
An embroidered patch with a durable twill weave 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 ...
An embroidered patch with a durable twill weave 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 ...
An embroidered patch with a durable twill weave 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 ...
An embroidered patch made with a durable twill weave featuring the formal symbolism for the law of non-contradiction in propositional logic. The formula reads as "not both P and not-P". It is a fo...
An embroidered patch made with a durable twill weave featuring the formal symbolism for the law of non-contradiction in propositional logic. The formula reads as "not both P and not-P". It is a fo...
An embroidered patch with a durable twill weave featuring the formal symbolism for the law of non-contradiction in propositional logic. The formula reads as "not both P and not-P". It is a foundat...
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...
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...
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...
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...