Set Theory Baseball T-Shirts

Description: The set theory is a fundamental sub-area of mathematics, which deals with the investigation of sets, i.e. of summaries of objects.

Description: Yesterday's lyrics applied mathematically in set theory.

Description: A bold and spooky set theory design featuring a skeleton juggling animal skulls with coding and math-inspired humor. Perfect for programmers, math lovers, computer science students, teachers, and geeky Halloween fans who enjoy clever educational art with a dark twist. A fun gift idea for coders, STEM lovers, and anyone who appreciates set operations, logic, and spooky nerd aesthetics.

Description: Discover the ultimate truth with this Fake Moon Landing design. Featuring a detailed movie studio set, lunar module, film cameras, and stage lights. Perfect for conspiracy theorists, space nerds, and sci-fi fans who love a good Apollo hoax mystery!

Description: Embrace the ultimate conspiracy theory with this minimalist Fake Moon Landing design. Featuring a lunar lander and movie studio lights, this graphic is perfect for truth seekers, space nerds, and science fiction fans who love a good mystery.

Description: Embrace the ultimate conspiracy theory with this minimalist fake moon landing design. Featuring a lunar movie set studio concept, it is perfect for truth seekers, space nerds, and sci-fi fans who love retro hoax aesthetics and space mysteries.

Description: Shot in Nevada Moon Landing Conspiracy Theory Graphic

Description: Blast off into humor with this playful cartoon parody of the moon landing — reimagined as a bustling movie set! Featuring a vintage-style astronaut, a retro director’s chair, and an old-school film camera, this design pokes fun at one of history’s most famous conspiracy theories in a lighthearted, tongue-in-cheek way. Perfect for space nerds, film buffs, and anyone who loves a clever twist on history.

Description: Discover the ultimate truth with this clean, bold poster depicting the fake moon landing. Featuring a lunar module on a studio set with stage lights, this conspiracy-themed design is perfect for space skeptics. Uncover the lunar hoax mystery today!

Description: the math ain't mathin' show your work

Description: decimals have a point

Description: Get a peek "behind the scenes" of the greatest production of 1969. This funny conspiracy design features the movie lights, the fake moon backdrop, and the official "Moon Landing Film Crew" badge. Perfect for Halloween costumes or everyday humor.

Description: Square root of negative one is “i,” the set of all even numbers is represented by 2Z. Put it together with Immanuel Kant and you get “i Kant even.”