Law of Excluded Middle: Embroidered Twill Patch (Blue on White)

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 in classical logic that, for any proposition, P, either P or its negation must obtain.

• White twill patch with blue formula and border in threaded embroidery
• 3″ (7.6 cm) in diameter
• 26% cotton, 74% polyester
• Attachment options: iron-on, sew-on, or safety pin