This striking black t-shirt features the bold equation 'A = A' printed in white, representing the non-contradiction axiom. Below the equation, the phrase 'The non-contradiction axiom: an irrefutable derivation of logic from the consistency of the universe' is elegantly displayed. The shirt is made of a comfortable-looking material, ideal for everyday wear. Show off your intellectual side with this unique and thought-provoking tee. Perfect for philosophy enthusiasts, logicians, or anyone who appreciates a clever and stylish design. Grab yours today and make a statement!