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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 that, for any proposition, P, either P or its negation must obtain.
• 100% combed and ring-spun cotton for solid colors
• Athletic and Black Heather are 90% combed and ring-spun cotton, 10% polyester
• Heather Prism colors are 99% combed and ring-spun cotton, 1% polyester
• Other heather colors are 52% combed and ring-spun cotton, 48% polyester
• Fabric weight: 4.2 oz (142 g/m2)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
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.
• 100% combed and ring-spun cotton for solid colors
• Athletic and Black Heather are 90% combed and ring-spun cotton, 10% polyester
• Heather Prism colors are 99% combed and ring-spun cotton, 1% polyester
• Other heather colors are 52% combed and ring-spun cotton, 48% polyester
• Fabric weight: 4.2 oz (142 g/m2)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
Size guide
| XS | S | M | L | XL | 2XL | 3XL | 4XL | |
| Length (inches) | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
| Width (inches) | 16 ½ | 18 | 20 | 22 | 24 | 26 | 28 | 30 |
| XS | S | M | L | XL | 2XL | 3XL | 4XL | |
| Length (cm) | 69 | 71 | 74 | 76 | 79 | 81 | 84 | 86 |
| Width (cm) | 42 | 46 | 51 | 56 | 61 | 66 | 71 | 76 |
| Color | Black Heather, Heather Midnight Navy, Heather Forest, Heather True Royal, Dark Grey Heather, Army, Heather Raspberry, Heather Deep Teal, Kelly, Heather Orange |
| Size | XS, S, M, L, XL, 2XL, 3XL, 4XL |
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