The event horizon’s area never decreases over time.

Evidence

the area of the event horizon might stay the same or increase with time, but it could never decrease — Hawking, Stephen, A Brief History of Time, 177

Categorization

• corroborated: 2 independent passages support this claim — Hawking, Stephen, A Brief History of Time, 177
• XREF: connects to: The area of a black hole’s event horizon indicates its entropy. — Hawking, Stephen, A Brief History of Time, 180

Related

• The area of a black hole’s event horizon indicates its entropy. (similarity 0.93)

Broader Connections

• The area of a black hole’s event horizon indicates its entropy. #expands (0.70) — Hawking, Stephen, A Brief History of Time, 180