P(Doom) < 0 · Text Only

Deliberately
optimistic.

One formula. A bigger conversation about AI and the future.

The yellow-and-white text-only design on a black tee, with a small QR code outside the back collar.

$34.95 · Free shipping
Black Bella + Canvas 3001 · Unisex · XS–5XL

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Watch the shirt up close · 15 sec · AI presenter

Full view of the black P(Doom) less-than-zero text-only T-shirt — The shirt. The statement.

Close-up of the original yellow-and-white P(Doom) less-than-zero design on black fabric — The original design, up close.

Mathematically impossible. Intentionally.

A probability cannot be negative.
An attitude can challenge fatalism.

P(Doom) is shorthand for the estimated probability of a catastrophic AI outcome. “Less than zero” is a playful expression of optimism—not a risk forecast. The future is still something we help shape.

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Find your fit.

Unisex Bella + Canvas 3001. Compare these garment measurements with a shirt you own, laid flat.

Garment measurements in inches · Printful size guide
Size	Length	Flat width
XS	27	16.5
S	28	18
M	29	20
L	30	22
XL	31	24
2XL	32	26
3XL	33	28
4XL	34	30
5XL	35	32

Measure length from the high shoulder beside the collar to the bottom hem, and width across the shirt below the sleeves. Supplier measurements may vary by up to 2 inches (5 cm).

Made to order with free shipping. Confirm the current price, delivery estimate, and available sizes at checkout. Returns and exchanges are accepted within 30 days; buyers pay return shipping.

Three statements · One simple style